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Adaca is like two games in one package. You have the Campaign, which is like Halo meets Half-Life, and then you have Zone Patrol, a semi-roguelike gamemode reminiscent of STALKER.

For the best experience, play through Zone Patrol for five or more hours, and then slowly go through the campaign missions. You can play both modes at once, and they complement each other nicely.

The gameplay is solid and immediately gives you fun tools and says 'Go have fun.' Movement is fast and slick. There are also a LOT of guns, most feel unique or situational, and you'll find a favourite in no time. Finding a flashy new gun and discovering that it shoots lasers is such a good feeling. Only a few guns have ADS, while others have none or instead have special abilities. The big thing about the gameplay is the gravity arm, which functions exactly like the gravity gun from Half-Life, but better. Manipulating the environment and flinging projectiles never gets old, and you feel so smart when you line up enemies to fling a box through and use it to overcome puzzles. You also feel like a badass when you get into the groove, though I wish the writing acknowledged that more. Enemy variety mainly consists of other guys with guns, though there are a few animals and some spooky guys that will definitely give you a fright. The level design and environments are all good, though when they're bad, they're really bad. You'll find yourself rushing the bad

Some graphics, sound effects and animations are royalty-free, but they're used in a way you won't notice. I didn't even realise they were royalty-free until I found a QR code on one of the wall decals, though I did suspect the talking animations were free. Regardless, they all fit well and give plenty of character.

The story is lacklustre, mostly cobbled together from other media. Nothing is really explained or discussed in depth. The characters are also very forgettable and generally poorly written, with some spelling and grammar errors, too. It's all very same-y, wherein each character talks the same, and each codex reads the same. Though one moment with a certain character appearing in the Campaign surprised me, it was awesome! The writing doesn't matter much because the gameplay and environment are so damn good and immersive that you end up making your own story up, or at least I did. Environmental story-telling is really Adaca's strong suit, fitting much better than anything written.

The music is very atmospheric and used nicely, there are cool little music riffs that can really wow you. Though, I don't find myself listening to the soundtrack when not playing.

Don't let the graphics fool you. This game is quite demanding in terms of performance, though that's more of an Unreal Engine quirk than a fault with the game. You shouldn't notice the performance in most scenarios, but your system will be growling.

To be expected of a small indie game, there's not much of a community. There's a semi-active discord, some youtube videos, and that's about it.

Be warned, the game is also very hard. It's hard but fair. Use your environment and pick your weapons wisely. For the best hardcore experience, I recommend the hardest difficulty and the Rush, Frag Happy and Glass Jaw modifiers. It makes it very rewarding, though it gets busted in some parts. Thankfully, you can change modifiers and difficulty at any point without a loading screen.

Oh, also, be sure to explore everywhere! There are many secrets in the Campaign and Zone Patrol.


I loved it. I found the game by watching TomatoGaming, and I needed something to scratch that STALKER itch, so Adaca gave me the whole massage instead.

I loved Zone Patrol and it's definitely the stronger gamemode. The Campaign is great, too, especially Act 1 and 2!

The bugs, some animations, writing, Act 3 and lack of Inventory, Saving and quests in Zone Patrol hold it back from a 10/10. But for an indie game mostly developed by one person, it's just such an incredible feat, I can overlook the bad.

I'm excited for Project Silverfish!

If you've got this far in the review, please consider rating it a thumbs up and an award. Comment as well if you want to ask questions or share your experiences.

Adaca Review

Adaca is an intriguing indie FPS that feels like a fusion of Half-Life 2 and Halo 3. You play as a character equipped with a cybernetic arm, which allows you to grab and throw objects—a mechanic reminiscent of Half-Life 2’s Gravity Gun but with a faster, more action-focused twist that channels Halo 3’s style of combat. This blend of physics-based puzzles, frantic shootouts, and open, arena-like level design sets Adaca apart from your standard corridor shooter.

Despite these strengths, I still lean toward G String for its raw, oppressive atmosphere. Where G String fully embraces a darker, more claustrophobic Half-Life 2 vibe, Adaca opts for a brighter, sci-fi action tone. That’s not necessarily a downside—it’s just a different approach. Adaca succeeds in delivering large-scale battles, puzzle elements, and a retro-inspired style that keep encounters fresh.

Interestingly, certain areas of Adaca remind me of early Ratchet & Clank games (Ratchet & Clank 1–3 and Deadlocked). There’s a colorful, cartoonish edge to some levels and enemy designs, contrasting with the usual grim aesthetic we often see in indie shooters. While Adaca does use low-poly, early 2000s-style graphics, I find this approach endearing. It might turn off players seeking ultra-realistic visuals, but it delivers a nostalgic, retro-futuristic charm for fans of that era.

Currently, based on what I’ve played, I’d give Adaca an 8 out of 10. It’s a solid, fun ride, thanks to its creative mechanics and chunky old-school design. Personally, G String kept me more consistently hooked during slow moments, primarily due to its oppressive world and unique art design. That said, Adaca’s energetic combat and level layouts are a blast to play through—especially if you enjoy physically tossing objects (and enemies!) around with a cybernetic arm.

It’s also worth mentioning that Adaca was developed mostly by a single creator, making its scope and polish even more impressive. Unfortunately, much like many promising indie titles, it hasn’t received the mainstream attention it deserves—especially from bigger FPS-focused outlets or YouTubers like Gman Lives. That’s a shame, because this game blends classic influences in ways that should appeal to fans of Half-Life 2 mods, older Halo titles, and anyone who loves a good retro shooter aesthetic.

Overall, if you’re looking for an indie FPS that balances puzzle-solving and high-octane combat, Adaca is well worth your time. Its mix of influences—from Valve to Bungie to early-2000s platform-shooters—makes it feel both familiar and fresh. I’ll be doing a final review soon, so stay tuned for my closing thoughts once I’ve completed the journey!