Games like Ultimate Arena

"Days of War is a fast-paced, competitive first-person shooter set in World War 2 with non-stop combat in 32-player multiplayer matches or offline against bots. Experience intense battles across 12 maps, including European, African, and Eastern front theaters. Customize your gameplay with the map editor and Steam Workshop support for creating and sharing custom maps."

Warhammer 40,000: Eternal Crusade is a massive online third-person shooter set in the grimdark universe where players join Eldar, Orks, Chaos, or Space Marines. Engage in intense faction warfare, unlock hundreds of weapons and armor, and customize your character with unique gear inspired by decades of Warhammer 40,000 lore. Experience fast-paced battles and large-scale PvP combat.

Reflex Arena is a competitive arena FPS that emphasizes raw skill and precision. With fast-paced gameplay, unique slide system, and map-wide teleportation, it offers a refreshing take on classic deathmatch and arena modes. The game also boasts a powerful map editor, allowing for custom levels and a vibrant modding community. Character count includes spaces.

Black One Blood Brothers is a tactical military shooter game where strategy and coordination are key. Joining the "Black One" unit, you become part of an elite force comprised of top operators from around the globe. Operating independently of any government, this unit works from the shadows, free from political games and diplomatic constraints. As the leader of this squad, you're tasked …

Interstellar Marines is a tactical sci-fi First Person Simulator, inspired by movies like Aliens and games like Half-Life. It offers singleplayer and co-op/PvP gameplay, with dynamic environments and non-scripted AI. The game aims to evolve the FPS genre with its blend of sci-fi, role-playing, and military realism.

"Grimoire: Manastorm" is a free-to-play, team-based first-person shooter set in a fantasy world. Players choose from a variety of mage classes, each with unique abilities, and compete in objective-based modes or battle it out in arena-style matches. The game features fast-paced action, strategic spell casting, and destructible environments.

"Leap is a 2-player, cooperative and competitive, multiplayer shooter game with beautiful mechanics. Play as an elite mercenary for the UEDC or Exo-Terrans, using weapons, class abilities, and vehicles like hoverboards and mechanical moose to traverse and battle in epic large-scale wars. Each exosuit has unique abilities, from calling in an Orbital Laser to deploying a Support Shield."

"Vengeance" is a shooter game that offers multiple game modes and maps, taking inspiration from 2007-era online shooters with a focus on fast-paced action and no microtransactions. It supports 2-player co-op, multi-player, and single-player modes, as well as PvP. The game features sensational mechanics and excellent graphics, with a disclaimer that its small community may make finding real players difficult, emphasizing bot matches.

"Toxikk is a Sci-Fi shooter game with smooth gameplay, impressive visuals, and a great soundtrack, reminiscent of 90's FPS classics. Enjoy 2-player co-op, single-player, or multiplayer matches, with no competitive disadvantages for the free version. Experience all maps by earning XP and unlocking them, with a thriving community on Discord to answer any questions."

"Apocryph" is a single-player, fantasy hack and slash game with excellent atmosphere, good graphics, outstanding music, and perfect mechanics, despite being full of bugs. Players explore a brutal dark fantasy world filled with magic, traps, and dangers, armed with up to 9 weapons, including spells and artifacts. Carefully handcrafted levels contain secrets, monsters, and traps, while health potions, mana vials, and combat items aid in survival.