Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate. Copies below reflect the player base, not paid sales.
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Languages: English*, French, Italian, German, Spanish - Spain, Korean, Portuguese - Portugal, Russian, Simplified Chinese, Traditional Chinese, Ukrainian, Vietnamese +2 more
Engagement
Reviews
Themes across 73 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
Крутая игра. Ни разу не заходил на сервера
好玩
Free and Fun.
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Trends
Concurrent players on Steam, sampled daily since tracking started.
Hours played at review time, across 73 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
特别爽
Its a fun game with friends!
A fast‑paced, top‑down co‑op shooter that still holds up incredibly well. Reactive Drop expands the original Alien Swarm with more maps, weapons, modes, and full Steam Workshop support, making it a playground for endless bug‑splattering chaos. The game shines in teamwork: coordinating classes, managing ammo, and pushing through swarms feels genuinely intense. It’s free, lightweight, and packed with content. The visuals are dated, sure, but the gameplay loop is addictive and the community keeps it alive with mods and challenges. If you enjoy co‑op action and tactical swarm fights, this is one of the best free options on Steam.
Bugs
Отличный кооператив. Можно вдоволь поорать на друг друга.
解压游戏，真爽
Good
Engagement
DAU/MAU are modeled from peak concurrent players (≈×8 and ×28) — Steam publishes no active-user counts, so treat these as rough estimates, not reported figures.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
Audience
Games most often reviewed by the same players — an audience-affinity signal from our review sample, not full ownership data.