Games like Diepix Arena

Shoot Many Robots is a comedy shooter game that offers both single-player and 2-player co-op modes. Players can choose from a variety of weapons to fight against hordes of degenerate robots in a classic 2.5D side-scrolling setting. With good gameplay and graphics, the game provides plenty of humor and is known for its high grinding nature. The game's description states, "A 4-player co-op run-n-gun action shooter that throws you into a tidal wave of robots with an array of weaponry."

Retimed is a local multiplayer arena shooter for 2-4 players. When a player is in danger, time slows down and a time bubble is created around the player. Now there is enough time to react and try to dodge the deadly projectiles. These time bubbles generate exciting alternations between fast-paced movement and tension-filled slowmotion moments.

"It Came From Space, and Ate Our Brains" is a top-down zombie shooter where players fend off endless waves of undead using a variety of weapons. The full version offers more levels, diverse armaments, a cooperative multiplayer mode, and care packages to aid survival. It’s a fast-paced, action-packed experience focused on intense, cooperative zombie combat.

"Final Space: The Rescue" is a thrilling metroidvania-style game that follows the adventures of Gary and his alien companion, Mooncake. Players must explore, combat enemies, and solve puzzles to rescue their friends from the evil Lord Commander. With upgrades, abilities, and a range of weapons, this game offers a fun and engaging experience for all fans of the "Final Space" series.

"Not Enough Madness" is an unofficial mod for MADNESS: Project Nexus that unlocks Madness mode from the start, adds a cheats mod menu, and enables character customization during gameplay. The mod is still being updated, and technical support is available on the Steam guide's comments section. 'NEM' brings new levels of fun to the game, with an array of exciting features to explore.

"Nation Red" is an adrenaline-pumping zombie shooter game, where you battle thousands of zombie mutants and their bosses in frenetic close-quarters combat. It offers three play modes, various perks, and multiplayer options. The game's narrative unfolds in a world where scattered groups of zombies were once a threat, only to re-emerge in the present day. Your mission: exterminate them before history repeats itself.

"Not Enough Madness" is an unofficial mod for MADNESS: Project Nexus that unlocks Madness mode from the start, adds a cheats menu, and allows for real-time character alterations. The mod is still being updated and support can be found on the Steam guide's comments section. Please note that the mod is not available for purchase, but can be downloaded from the provided Google Drive link.

"Meltdown is a tactical arcade shooter with both singleplayer and multiplayer options for up to 4 players, local or online. Experience intense action, sci-fi settings, and randomly generated levels as you collect loot, level up, and specialize in Soldier, Specialist, or Medic. With 30 levels, 3 boss battles, and wave-attack arena challenges, Meltdown offers sensational music, delightful visuals, and engaging gameplay."

"Battle Shapes" is a local multi-player arcade game that supports up to 2 players in co-op or single-player mode, with a split screen feature. The game offers fast-paced matches, unlockables, and noticeable skill gaps, inspired by Asteroids and Super Smash Bros. The objective is to compete with other shapes in various battle modes, including the current three options: Payload, Coin Battle, and Shape Battle, each lasting between 60-120 seconds. The game offers a frustratingly fun experience, built for destroying friendships and challenging the players' skills.

In "Earl vs. the Mutants" , play as Earl, an expert pest controller with a knack for vehicular combat, who's on a mission to save humanity from a mutant apocalypse. Utilize crazy weapon combos, powerups, and elevated terrain to obliterate enemies, and engage in epic boss battles, all in fast-paced, 5-10 minute runs. This Steam Deck-ready title promises intense action and high replayability.