Games like Calcium Contract

"Vomitoreum is a single-player horror shooter Metroidvania game with an interesting plot, good gameplay, stunning graphics, and an ingenious soundtrack. Explore a dark, interconnected world inspired by the paintings of Zdzisław Beksiński, battling eldritch monsters and searching for a cure for a deadly fog. As the Nephilem, survive the harsh environment, gather weapons and tools, and restore life to the plagued land."

"Prodeus" is a horror-themed shooter game with great gameplay and graphics, a sensational soundtrack, and plenty of humor. It features a hand-crafted campaign, co-op and multiplayer modes, a level editor, and a community map browser. The game combines modern rendering techniques with retro aesthetics for a unique visual experience, and offers fast-paced, non-stop action against the Prodeans and forces of Chaos. Overall, it's a highly emotional and fantastic game with great replayability.

"Hell Hunt" is a retro-style First Person Shooter that draws inspiration from 90s classics like Quake and Blood. The game follows a Demon Hunter seeking revenge in Hell, featuring classic elements such as key cards, secret areas, and a wide arsenal of weapons. Modern mechanics include bullet time, special abilities, and upgradable weapon systems, offering a unique blend of old and new in its level design and gameplay. Follow the developer on Twitter for updates on the next demo release.

"AMID EVIL" is a magical FPS game with seven unique episodes, each with distinct enemies and environments. Players can wield powerful weapons that can be charged with the souls of the vanquished foes. The game features brutal AI, sprawling non-linear levels, and an original soundtrack. It is built in Unreal Engine 4 with support for ray tracing and DLSS 2.0.

"Wrath: Aeon of Ruin" is a retro-style first-person shooter where you play as Outlander, tasked by the Shepherd of Wayward Souls to hunt down the remaining Guardians of the Old World. Explore ancient ruins, battle dark creatures, and uncover forgotten secrets in a dying world. The game is still in active development with a roadmap that may change.

"Kingdom of the Dead" is a rogue-like first-person shooter set in a sprawling, procedurally generated catacomb. Fight through hordes of the undead using a wide array of weapons, while managing your hunger and sanity. Your ultimate goal is to uncover the mystery behind the kingdom's decay and find a way to escape.

Shoot, slice, and shred your way through hordes of the undead in Cryptis, a retro-inspired boomer shooter combining modern visuals with '90s gameplay. Embrace the chaos, slaughter your enemies, and leave nothing left standing! Slay your enemies! Fight waves of monsters and utilize a diverse arsenal of weapons. Every weapon provides a different playstyle, choose whichever you prefer. M…

Project Warlock is a pixelated first-person shooter game with heavy metal music, where players battle through 60 levels of challenging enemies and bosses across 6 different worlds. As theWarlock, players can use over 35 weapons, spells, and magical abilities to defeat the forces of evil. With roguelike elements and a level editor, Project Warlock offers high replayability and customization.

"Dread Templar" is a solo-developed action game that pays homage to 90s classics, featuring a fast-paced campaign with over 100 weapon upgrades and 25+ levels. Battles against diverse enemies and thrilling boss fights take place in distinct environments with retro pixel-art graphics. Experiment with different playstyles and search for hidden secrets.

Forgive Me Father is a Lovecraft-inspired FPS game with a distinctive retro horror comic book style, where you fight against eternal evil while dealing with your increasing madness level. The game features classic 90s FPS elements such as non-reloading weapons, powerups, and first aid kits. Explore the detailed 3D environment filled with 2D elements and hidden areas to uncover the story and solve the mystery of this eerie world .