Games like Gun Brothers

"Massive" is a stylized feast of frantic and action shooter for 1-4 players.

"Over 9000 Zombies!" is a frenetic first-person shooter where players must survive waves of zombies in various maps. Utilize a wide range of weapons, from pistols to grenade launchers, to annihilate the undead hordes and progress through the game's challenges. With online co-op mode, team up with friends to exterminate the zombie menace together. Fight for survival and prove your mettle against over 9000 zombies!

AXYOS is a massively multiplayer shooter game with single-player and PvP modes, combining elements of classic FPS and MOBA. Players can upgrade their characters, complete objectives, and purchase weapons/items from an in-game shop. The game is still in development and may have bugs, but seeks to deliver an innovative experience by incorporating community feedback.

"Endorlight is a rogue-like adventure game that offers single-player and local multi-player modes with a split screen. Players must navigate through levels filled with tougher enemies and bosses, starting over from the beginning when they die. The ultimate goal is to collect gold, defeat as many enemies as possible, and strive for a high score on the Steam Leaderboard."

"Resilience: Wave Survival" is a physics-based shooter where you defend against alien invaders, zombies, and robots in an abandoned village. Game modes include Wave, Gun Game, Dead in 5, and Survival, with features like weather, day/night cycle, crafting, and customizable weapons. Explore to scavenge for supplies, upgrade player abilities, and engage in various challenges with high scores and achievements.

"Edge of Space" is a sci-fi sandbox adventure game set on a distant planet. As a "Handyman," players must build, craft, and fight to survive and explore the hostile alien environment. With a variety of tools, weapons, and transportation options, players have the freedom to shape their own experience in this expansive, procedurally generated world.

"Voidigo is a chaotic roguelite shooter with a focus on dynamic boss fights and weapon synergies. Play alone or with a friend in local co-op, battling bosses that adapt to your strategies. The game features stellar graphics, masterful mechanics, a stellar soundtrack and plenty of replayability, with grinding and humor for good measure."

"CardLife is a massively multiplayer role-playing game set in a unique, hand-drawn cardboard world. Craft your own weapons, tools, and characters, and embark on adventures alone or with others. Explore community creations, defeat powerful creatures, and level up as you journey to the center of the island."

Speed Kills is an action-packed death racing game with classic isometric gameplay, inspired by 16-bit racing games. Compete in various championships across five planets, with over 50 unique tracks. Upgrade and customize from eight available vehicles, ranging from pickup trucks to hovercars, while purchasing offensive and defensive upgrades for an added edge.

Juicy Realm is a role-playing game that combines compelling game mechanics with vibrant and compelling visuals. In this unique game, players must "Shoot the FRUITS up!" as they battle against personified fruits that have taken over the world. With a variety of weapons and characters to choose from, players must use strategy and skill to survive in this juicy post-apocalyptic world.