Alien Arena: Warriors Of Mars
Released Nov 2017
Alien Arena is a furious frag fest with arenas ranging from the small, to the massive. With game modes such as Capture The Flag and Tactical, there are terrific team-based experiences to be had as well as 1v1 duels, free-for-all, and dozens of mutators to alter the game play to your liking.
77% positive · 194 reviews
Not yet
Released, but still in active development
High confidence
Active Development
Not yet
Released, but still in active development
High confidence
Active Development
Where to get it
Free on Steam
Evaluation
Alien Arena: Warriors of Mars launched on November 3, 2017 and has remained in active development ever since. The game shipped eight map packs as paid DLC between August 2018 and December 2019, alongside multiple major engine and content updates. A significant free content drop in November 2022 added ten new CTF maps, and feature patches continued into 2024 with improvements to server infrastructure, Discord integration, and automatic map pack installation.
On April 9, 2026, the developer posted an explicit confirmation: "Is Alien Arena still being developed? Yes, it certainly is." This post introduced "Project 100," a major initiative to modernize the game's legacy Quake 2-era netcode with 100 FPS framerates, 100-tick server rates, and improved lag compensation. That work shipped as version 7.72 on June 14, 2026 — the most recent update available. In addition to the Project 100 improvements, 7.72 extended single-player mode with new game modes and weapon modes, and included several bug fixes.
All eight listed DLC packs have been released. The developer has not announced any named future content beyond what has already shipped, but the sustained pattern of updates — with the most recent arriving just two months ago as of today — indicates the game continues to receive meaningful development attention. No announcement of a content conclusion has been made.
Evidence
Version 7.72 ships, delivering the Project 100 improvements (100 FPS, 100-tick server, improved lag compensation), extended single-player modes, and multiple bug fixes.
Developer explicitly confirms 'Is Alien Arena still being developed? Yes, it certainly is,' and announces Project 100 engine and netcode modernization targeting version 7.72.
Content
8 of 8 released · no outstanding content
Media
Details
Developer
Publisher
COR Entertainment, LLC
Achievements
48
Platform
Windows, Linux
Controller
—
Steam Deck
Not rated
Players
Single-player · Multiplayer · Co-op · PvP
About this game
No lag. No reloads. No bull. Do you like old school deathmatch with modern features but none of the frills that have ruined the raw purity of the genre? How about rich, colorful, arcadelike atmospheres? How about...retro Sci Fi? Then you're going to love what Alien Arena has in store for you! This game combines some of the very best aspects of classic deathmatch, and wraps them up with a retro alien theme, while adding tons of original ideas to make the game quite unique.
Alien Arena is a furious frag fest with arenas ranging from the small, to the massive. With game modes such as Capture The Flag and Tactical, there are terrific team-based experiences to be had as well as 1v1 duels, free-for-all, and dozens of mutators to alter the game play to your liking. The game includes 23 official levels, 10 player characters, fun powerups, and 10 weapons each with 2 firing modes. The community is friendly, as well as prolific. Dozens of maps, models, and various accessories have been created by community members to add on to the game experience.
Whether playing online against others or offline against the built in AI, the fun is practically endless.
Alien Arena is a furious frag fest with arenas ranging from the small, to the massive. With game modes such as Capture The Flag and Tactical, there are terrific team-based experiences to be had as well as 1v1 duels, free-for-all, and dozens of mutators to alter the game play to your liking. The game includes 23 official levels, 10 player characters, fun powerups, and 10 weapons each with 2 firing modes. The community is friendly, as well as prolific. Dozens of maps, models, and various accessories have been created by community members to add on to the game experience.
Whether playing online against others or offline against the built in AI, the fun is practically endless.
Are these done yet?
Last evaluated Aug 19, 2026
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