Games like Liber Prologue

78%Game Brain Score

Most mentioned positive aspects:atmosphere, music

Most mentioned negative aspects:monetization, gameplay

78% User Score Based on 55 reviews

Full Release About the Game The Monarch is a Kingdom-like strategy game that has minimalistic control & smooth gameplay with power-up aspects. The gates of hell open each night, terrorizing the land. As the player, you must find a way to destroy the gates and defend your lands in the process! Gather coins, recruit peasants, train units, build powerful structures, gain power-ups, and adapt!… If you enjoyed this game, see our list of games similar to The Monarch: First Light.

100%Game Brain Score

Most mentioned positive aspects:graphics, story

Most mentioned negative aspects:gameplay, music

100% User Score Based on 59 reviews

  Test your wits and tactics in this stylish pixel-art maze where you’ll overcome predatory vegetables and stinky insects in unique turn-based challenges. Inspired by classic Zelda games, you’ll play as Zeyn, a young adventurer armed with a large sword, a bow, and bombs.    The gameplay is simple: time moves only when you move. Use this to your advantage — avoid deadly traps, lure enemies into th… If you enjoyed this game, see our list of games similar to Lord Ambermaze: Prologue.

49%Game Brain Score

Most mentioned positive aspects:atmosphere

Most mentioned negative aspects:graphics, gameplay

59% User Score Based on 34 reviews

Stay Out Of The Farm: Prologue is a free part of full game "Stay Out Of The Farm" a stealth-driven slasher with old school PS1 style graphics. Here you can try to get through beginning of the bloody path to escape. Use your intelligence to beat killer in a blody game of cat and mouse. During your way to escape you need to stay quite and stay out of sight, owner of the farm is not about to let his … If you enjoyed this game, see our list of games similar to Stay Out Of The Farm.

71%Game Brain Score

Most mentioned positive aspects:music, atmosphere

Most mentioned negative aspects:graphics, stability

100% User Score Based on 22 reviews

Survival Story - a unique immersion into the world of survival, where every step is a struggle for life. In this exciting game, you have to survive in a post-apocalyptic world where zombies and dangers await at every corner. From hunger and thirst to the invasion of the creepy walking dead, you will face continuous challenges that require your ingenuity and endurance.EXPLORE THE OPEN WORLD Show yo… If you enjoyed this game, see our list of games similar to Survival Story.

87%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:monetization

87% User Score Based on 61 reviews

First chapter of Memory Lost. It is a story-driven action shooter, the battles in which are built around the mechanics of mind capturing and moving into the enemy's body. First-aid kits were not delivered, there is only one magazine in the weapon - change the bodies to survive! If you enjoyed this game, see our list of games similar to Memory Lost.

71%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:monetization, optimization

79% User Score Based on 42 reviews

Add Iridio to your wishlist!The full game version of Iridio will launch in Early Access in Q2 2025: add it your wishlist now! About the GameIridio: Prologue offers a brief preview of the full game content and features, including the entire tutorial and the first full game zone. Seized by criminals, the island designated for your research needs your help. Join Yatziri and the Wazhari trib… If you enjoyed this game, see our list of games similar to Iridio: Prologue.

52%Game Brain Score

Most mentioned negative aspects:monetization, story

75% User Score Based on 20 reviews

Force of Nature 2: Prologue offers incredible adventures full of mystery in the world of magic and danger. Play through the first world and uncover its secrets. You will have to gather resources, prepare food, build houses and constructions, grow plants and create hybrids, tame and care for animals, craft clothes and weapons, fight enemies and bosses, touch the world of magic, solve the mysteries… If you enjoyed this game, see our list of games similar to Force of Nature 2: Prologue.

61%Game Brain Score

Most mentioned positive aspects:humor

Most mentioned negative aspects:monetization, graphics

89% User Score Based on 19 reviews

The official version of the portal is here~ About the GameFree version of this prologue. Mainly two groups of echo lands have been opened, namely "Snowy Land" and "Crystal Mine". There are 18 Echo cards in total that can be collected. The highest echo depth (difficulty) that adventurers can unlock and challenge is level III. The highest equipment level is open to 5 levels (co… If you enjoyed this game, see our list of games similar to 7th Domain:Tree of Chaos Prologue.

83%Game Brain Score

Most mentioned positive aspects:humor, music

Most mentioned negative aspects:monetization, gameplay

93% User Score Based on 41 reviews

check out the full game About the GamePlay the first chapter of ColorBlend FX: Desaturation for free. Descend into Splatland - the world of ColorBlend FX: Desaturation — a captivating mythical puzzle-platformer metroidvania that weaves a tale of glow, courage, and creativity. Join the Splatians, as they unite to restore the stolen essence back to their world, challenging the nefarious schemes of… If you enjoyed this game, see our list of games similar to ColorBlend FX: Desaturation Prologue.

62%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:monetization, story

90% User Score Based on 20 reviews

Dive into a world of surprises, where every card flip could be your ticket to victory or trouble. The prologue showcases a part of the mysterious forest that changes with every game. Can you master the art of strategic card flipping and uncover the first plot mysteries? Get a taste of a larger adventure that combines tactical thinking, luck, and exploration in this captivating roguelike experienc… If you enjoyed this game, see our list of games similar to Forest Dump: Prologue.

52%Game Brain Score

Most mentioned negative aspects:monetization, graphics

73% User Score Based on 22 reviews

WISHLIST FULL GAME About the Game Prologue offers a more limited experience compared to the full version. In this version, at a basic level, you will make advertisements on the streets. You will create signboards and logos. You can either fail or become a very famous advertising company. Becoming a successful advertiser is not easy; you need to constantly improve yourself. You also need money… If you enjoyed this game, see our list of games similar to Ad Agency Simulator: Prologue.

81%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:monetization, music

90% User Score Based on 41 reviews

WISHLIST! About the Game WARNING: This game contains heavy material that might make players/audience uncomfortable. An unknown deadly virus has suddenly spread. It turns people into brain eating zombies, the whole world goes into chaos, etc. You know the rest. However, in this game, a cure has been found. All the infected people have been treated and are now normal, functioning, harmless hum… If you enjoyed this game, see our list of games similar to Human Apocalypse: Prologue.

Wild West Dynasty About the SoftwareHowdy, Stranger! Are you ready for an adventure in the era of gunslingers, cowboys and stagecoaches? Until the release of Wild West Dynasty, you'll find out everything you need to know to be prepared for the intense excursion into the American West of the 19th century. This is the only place to get exclusive information and background reports on the highly an… If you enjoyed this game, see our list of games similar to Wild West Legacy: The New Hope Gazette.

90%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:monetization, story

98% User Score Based on 43 reviews

The mimics are on the loose - and this time, it's Christmas! Explore the castle and solve its puzzles to reveal and capture all of the hidden mimics. If you enjoyed this game, see our list of games similar to Peek-A-Mimic Christmas Castle.

36%Game Brain Score

Most mentioned positive aspects:music

Most mentioned negative aspects:gameplay, story

57% User Score Based on 14 reviews

Twilight Wars is a dungeon crawler in a cyberpunk setting, where teams of secret agents fight for the interests of corporations. Revive a secret organization, recruit and equip a team of specialists - and neutralize those who stand in your way! If you enjoyed this game, see our list of games similar to Twilight Wars: Declassified.

52%Game Brain Score

Most mentioned positive aspects:atmosphere

Most mentioned negative aspects:monetization, gameplay

78% User Score Based on 18 reviews

Monster Showdown: Prologue includes the first 3 out of 10 maps of this action packed VR Shooter. WEAPONS: Buy your favorite weapons from a choice of over 60 from a dispenser at the wall or try your luck at the enigmatic box for a chance to get a really powerful gun. You can also attack enemies with melee weapons by swinging your VR controller. The more skillful your swings are the more damage you… If you enjoyed this game, see our list of games similar to Monster Showdown: Prologue.

VED is a story-driven RPG with a unique turn-based combat system and rogue-lite elements. Embark on a magical adventure set in a vivid world in stunning, hand-painted graphics. Explore mysterious islands, defeat monsters, and master the magic of the Veds!  The free version "Purification" serves as a prologue to the main game so you can sample its combat system, narrative style and tel… If you enjoyed this game, see our list of games similar to VED: Purification.

61%Game Brain Score

Most mentioned positive aspects:gameplay, atmosphere

Most mentioned negative aspects:monetization, graphics

61% User Score Based on 54 reviews

Check out our full games! About the GameA routine assignment has taken a nightmarish turn. You now inhabit the confines of a sinister dungeon, haunted by the unsettling notion that you're not alone in this wretched place. Can you secure your freedom before the sinister presence that imprisoned you arrives to seal your fate?Features Immersive Environment Explore a grim dungeon and a richly deta… If you enjoyed this game, see our list of games similar to Malum Escape.

67%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:monetization, optimization

84% User Score Based on 31 reviews

ADD FULL GAME TO YOUR WISHLIST About the GameThis is the free prologue to Cult Of Babel - A roguelite Horde Survivors with dungeon crawling elements. This Prologue lets you access the first area of the game. Select your mighty steampunk witch or wizard, get the ancient cards of power and slaughter the horde of evil cultists guarding the tower of babel. Fast-paced horde survival gameplay Pla… If you enjoyed this game, see our list of games similar to Cult Of Babel : Prologue.

An absolutely cute funny game about you saving cute anime girls from monsters. Fight your way through cute monsters. Collect fantasy-based powerups and blast through your enemies. Collect keys to unlock new areas on the map. Have a blast traversing through the stylized bright beautiful arena The world of Aria is being attacked by monsters, The elves constructed a summoning circle to… If you enjoyed this game, see our list of games similar to Fantasy Quest Prologue.

51%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:monetization

83% User Score Based on 12 reviews

Welcome back to Gordian Rooms! On one sunny day you were strolling down your newfound mansion and successfully stumbled into a yet undiscovered part of it. Just as your luck would have it the door closed behind you before you could escape, like in the good old days... Once again you were left to your own devices to challenge your uncle's final surprise! The prologue version of Gordian Rooms 2: A … If you enjoyed this game, see our list of games similar to Gordian Rooms 2: A curious island Prologue.

44%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability

73% User Score Based on 11 reviews

Follow and join usFor inquiries about applying for trial play or the latest information about "Tales of Spark," please join the wishlist and enter our official group! Discord account: Your attention is welcomed, and your valuable suggestions and feedback are appreciated. About the Game⛧WISHLIST THE FULL GAME⛧Game Features: Young warrior, welcome to "Tales of Spark: Probation.&qu… If you enjoyed this game, see our list of games similar to Tales of Spark: Probation.

96%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:monetization

96% User Score Based on 50 reviews

Check full game About the GameThis prologue is the beginning of your adventure in the world of Corsair's Madness, a 2D platformer in a pirate setting. In this free version, you'll learn the plot of the story and be able to fully complete one of the islands - Jungle Island. Returning from another sea adventure, Captain Sam's pirate ship gets caught in a mystical storm. Waking up on the shore… If you enjoyed this game, see our list of games similar to Corsair`s Madness Prologue: Jungle`s Island.

60%Game Brain Score

Most mentioned positive aspects:humor

Most mentioned negative aspects:monetization, gameplay

86% User Score Based on 21 reviews

Wishlist the Main Game About the GametERRORbane: an INTRODUCTION, mostly Ever wondered if tERRORbane is the right game for you? Well, wonder no more! Play the introduction to the game in this self-contained bug hunting adventure and discover exclusive bugs and prizes! If you enjoy your time here, don't forget to wishlist tERRORbane the full game, which will be released in Q1 2022! In tERRORb… If you enjoyed this game, see our list of games similar to tERRORbane: an INTRODUCTION, mostly.

75%Game Brain Score

Most mentioned positive aspects:humor, graphics

Most mentioned negative aspects:monetization, gameplay

97% User Score Based on 29 reviews

Enjoy an introduction to the upcoming charming adventure game, Spirit of Midnight. Play as a house cat who gains the ability to leave home and embark on a supernatural adventure after encountering a strange spirit. Befriend a badger and meet other adorable creatures along the way, all in an effort to restore balance to the forest and uncover the truth behind its mysteries. Use and combine it… If you enjoyed this game, see our list of games similar to Spirit of Midnight: Prologue.

Join our dicord About the Game Welcome to the world of Sumo Tatami, where clumsy sumo wrestlers battle in fun and competitive modes! Get ready for races, duels, bowling, golf, and other sumo adventures with friends and rivals. Game Features: Unpredictable Sumo Action: Control a clumsy wrestler, experiencing chaos on treacherous arenas. Comic Weapons: Use a hilarious arsenal of weapons, from… If you enjoyed this game, see our list of games similar to Sumo Tatami Prologue.

41%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:monetization, music

60% User Score Based on 20 reviews

Prologue offers a more limited experience compared to the full version. In this version, you'll play as a guitarist trying to make a name for themselves on the streets. Start playing the guitar on the street. Your decisions will shape the course of the game. You can either witness the downfall of your career or become a rock star! If you want to be a real rock star, you must definitely p… If you enjoyed this game, see our list of games similar to Rock Star Life Simulator: Prologue.

50%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:monetization, stability

68% User Score Based on 25 reviews

Main Game About the GameDrive Thru Prologue is a drive thru experience game. Its prologue version of drive thru game which represents main concepts of drive thru game. Game Concept: A simulation of running and expanding a drive-thru shop where players take orders, prepare various beverages and foods, manage supplies, and serve customers efficiently. Gameplay Elements: 1. Order Taking: -… If you enjoyed this game, see our list of games similar to Drive Thru Miami Prologue.

Welcome to Döner Master Simulator!Prologue: Döner Master Simulator In the heart of the city, known as the capital of döner, you are taking your first steps towards becoming a döner master. You've seized the chance to take over the legendary döner shop, and this is not just a job; it's an adventure that will change your life. Your task is to prepare delicious döner and maximize customer satisfacti… If you enjoyed this game, see our list of games similar to Doner Master Simulator: Prologue.

Help Amelia on her journey through the Renaissance and enter the bizarre world of dreams! Gather resources, build towers, and fend off waves of Elizabeth Bathory's helpers. Face a horde of fanatics who want to help the aristocrat in her nefarious plans. Free your classmates and use their help to get out of this troublesome dream. CLASSIC TOWER DEFENSE Where there are towers there must be waves … If you enjoyed this game, see our list of games similar to Lesson Learned: Cult of the Elizabeth.

65%Game Brain Score

Most mentioned positive aspects:music

Most mentioned negative aspects:monetization, graphics

88% User Score Based on 25 reviews

ABOUT Project Adder is a 2D, rogue-lite, zombie shooting, platformer sandbox. Adder challenges players to manage random weapons, ammo, and abilities while fighting through hordes of zombies on procedurally generated levels. The map resets once the player dies, bringing a new experience with randomized elements to each run. FEATURES Procedurally Generated Levels: Every death brings a new m… If you enjoyed this game, see our list of games similar to Project Adder (Prologue).

49%Game Brain Score

Most mentioned positive aspects:humor, graphics

Most mentioned negative aspects:monetization, gameplay

52% User Score Based on 44 reviews

HANZ Puppetguns - is a multiplayer top-down shooter that will make you feel like a real toy hero! At your disposal will be one of four plush rabbits, a variety of weapons and an absolute random... If you enjoyed this game, see our list of games similar to HANZ Puppetguns.

55%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:monetization, gameplay

77% User Score Based on 22 reviews

Thanks for playing the prologue of Emil: A Hero's Journey!STORYAfter Nazi forces take his father away, 11-year-old Emil must use the only two things he has left—creativity and imagination—as he embarks on a perilous journey to find his father. Inspired by the true coming-of-age story of a Holocaust survivor.GAMEPLAYEmil: A Hero's Journey is a Cinematic 2.5D Puzzle-Platformer that combines intense … If you enjoyed this game, see our list of games similar to Emil: A Hero's Journey - Prologue.

63%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:monetization, graphics

63% User Score Based on 107 reviews

WHISLIST THE FULL GAME About the GameDESTROY ALL THE GODS! The body of the thunder god has been taken over by the most cunning god of the universe. Find the gods hidden in different realms and destroy them all until you are the only god left standing! YOU'RE THE VERY RAGNAROK ITSELF There's no hero's tale here. On the contrary, you will be the nightmare of heroes! Develop your strategy and unle… If you enjoyed this game, see our list of games similar to Nine Realms Prologue.

68%Game Brain Score

Most mentioned positive aspects:humor, graphics

Most mentioned negative aspects:monetization, gameplay

84% User Score Based on 32 reviews

All you need to do is cross pillars in a strange dream, yet you fail. Why? If you enjoyed this game, see our list of games similar to 99 Fails Lite.

《Tales of Komori: Prologue》是一款拥有原创世界观和背景设定的同人角色扮演类游戏，玩家可以在游戏中扮演古守血遊，在看似普普通通的小镇中探寻深藏其中的秘密。游戏特色 简单易懂的rpg玩法 除作为主角的古守血遊以外，还有多位P家成员在游戏中作为npc登场！ 以往P家成员在直播中为大家带来欢笑的梗，也将在本作中以各种各样的形式呈现出来！ If you enjoyed this game, see our list of games similar to Tales of Komori: Prologue.

Get Crazy Wolrd of CalebIf you like this game and want to support the developer, please consider buying the full game. About the GameCrazy World of Caleb Level 1 to 7 is just the start of the Journey. The whole experience available in Crazy World of Caleb. Here you experience Levels 1 to 7. In Crazy World of Caleb you have up to Level 38 and you also get access to Steam Achievements. NOTE : TH… If you enjoyed this game, see our list of games similar to Crazy World of Caleb-Level 1 to 7.

Jonn returns to his hometown and finds it in the middle of a territory war! Jonn and a girl out for revenge, Mary, team up to try and stop it! Jonn teams up with each boss that he faces to become strong enough to take down the final boss, Noel! EVERY enemy is a (potential) new best friend! Fight each boss, gain them as an ally, explore, and platform your way through each level. Build a strong gr… If you enjoyed this game, see our list of games similar to Mosaic Hearts Preview (Chap 00 - 01).

"Spiders live in a happy home." Explore a story of real life horrors mixed with supernatural. In this prologue, you play as Emily, whose life is about to change in a way that no one could have predicted. Dive into an intriguing story with amazing hand-drawn visuals in this mix of a text-based game and 2D exploration. Begin a new mystery Make decisions while progressing through the… If you enjoyed this game, see our list of games similar to Happy Home: Prologue.

Will you be the Golf Champion? Get ready for Smoots Golf - First Training!! - Visit golf course in 1 unique locations for a fun and endless multiplayer golf experience! - 3 different golf holes to master. - Choose your Smoot and become a Golf Champion! *A controller is required for local multiplayer. If you enjoyed this game, see our list of games similar to Smoots Golf - First Training.

43%Game Brain Score

Most mentioned positive aspects:graphics, atmosphere

Most mentioned negative aspects:monetization, gameplay

58% User Score Based on 24 reviews

Nightmare Visions: Chapter 1 is not a traditional horror game. There are no save files. No skip buttons. This is a narrative horror experience, not a survival challenge. You’re not here to escape. You’re here to witness. Developed entirely by one person, not a team, in 1 Month as a Challenge. If you're expecting a AAA horror game, you’re in the wrong place. If you're ready for something differ… If you enjoyed this game, see our list of games similar to Nightmare Visions Chapter 1.

43%Game Brain Score

Most mentioned negative aspects:monetization, graphics

65% User Score Based on 17 reviews

ADD THE FULL GAME TO YOUR WISHLIST About the GameImagine inheriting a farm AND a shop. What would you do with it? Yes, it's a mess. Yes, it needs work. But it's yours—and it’s free. In this economy?! Restore Your FarmTransform this abandoned land into the thriving farm it deserves to be. Grow your own crops, take care of animals (coming soon), and upgrade your surroundings. It'll take effo… If you enjoyed this game, see our list of games similar to Farmer's Shop Simulator: Prologue.

65%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:monetization

88% User Score Based on 25 reviews

WISHLIST THE FULL GAME About the GameROBODUNK is Nba Jam meets Rogue Legacy, with robots. A combat dunkball game with sky-high dunks, satisfying tackles and explosive weapons. JUST...ONE...MORE...DUNK! █▓▒░ ROBOT MASTERS CHALLENGE ░▒▓█ Instead of the roguelite campaign of the full game, this prologue has an exclusive mode in which you challenge the Robot Masters. Choose the order in which yo… If you enjoyed this game, see our list of games similar to RoboDunk Prologue.

8%Game Brain Score

Most mentioned positive aspects:music

Most mentioned negative aspects:monetization, stability

13% User Score Based on 16 reviews

Freelancer Life Simulator: Prologue - a free game that contains events before Freelancer Life Simulator. In this story, you play as the uncle of the protagonist. You will find out why uncle left the city. If you enjoyed this game, see our list of games similar to Freelancer Life Simulator: Prologue.

"Sha Qing - Prologue" is a Chinese-style psychological horror and mystery-solving game. Players will take on the role of the protagonist and embark on a surreal and terrifying adventure in the town of "Wushan." In this familiar yet eerie place, can the protagonist escape with their life and uncover the truth behind the supernatural events? The prologue version includes the fir… If you enjoyed this game, see our list of games similar to 杀青：序章.

Add Wishlist About the Game Game description : "Farm Debt Repay Life: Prelogue" is the prologue version of "Farm Debt Repay Life" ,allowing players to experience the first 15 days of gameplay, including the storyline. It features the same fully randomized resource generation and diverse random buffs as the full version. Players can enjoy cultivating farmland, planting crops,… If you enjoyed this game, see our list of games similar to Farm Debt Repay Life:Prologue.

56%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:monetization, gameplay

92% User Score Based on 12 reviews

ABOUT HAUMAHauma is a noir deduction visual novel set in the heart of Munich. Step into the shoes of Judith, a former detective with a sharp wit and a knack for getting things done, as she uncovers a conspiracy amongst the city's upper echelons of society. Explore real locations in a unique art style, immersing you in the world of Bavaria's capital. From the historic House of Art to other unexpect… If you enjoyed this game, see our list of games similar to Hauma - A Detective Noir Story - Prologue.

58%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:monetization, music

79% User Score Based on 24 reviews

Embark on an epic journey in Revive & Prosper Prologue, a captivating single-player factory builder! It is a one-map gateway to the world of Revive & Prosper.IF YOU LIKE THE PROLOGUE, PLEASE ADD THE FULL GAME TO YOUR CARTFeatures: Unleash your creativity as you construct a thriving base amidst landscapes you have revived with the mighty power of water. Put an end to manual excavat… If you enjoyed this game, see our list of games similar to R & P: Prologue.

Add official version to wishlist[Split Personality Doctor: Prologue] is a free demo version of some content of [Split Personality Doctor] About the Game A doctor in a small town suddenly gained the ability to shrink his body, so he shrunk his body into various patients' bodies and treated diseases by eliminating the virus in the patients' bodies. Dominating Summon Combat: Although the Doctor… If you enjoyed this game, see our list of games similar to Split Personality Doctor: Prologue.

55%Game Brain Score

Most mentioned negative aspects:monetization, gameplay

77% User Score Based on 22 reviews

Experience the limited version of 'Casino Island Simulator' with the Prologue. Don't forget to add it to your wishlist and follow us for the full version of the game. Build and manage your dream casino on a island! In this exciting and immersive simulation game, use your skills to keep your customers happy and create the most prestigious casino on the island. Manage Your Casino Distribute poke… If you enjoyed this game, see our list of games similar to Casino Island Simulator: Prologue.