Alien Swarm: Reactive Drop
Live player count and Steam charts
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.
Player history
Each point is the highest number of players online in that month (UTC). History before July 14, 2026 is imported; everything after is our own readings. Zoom in for finer detail.
Monthly player counts
| Month | Avg players | Gain | % gain | Peak |
|---|---|---|---|---|
| Jul 2026 * | 163 | +14 | +9.4% | 365 |
| Jun 2026 | 149 | +1 | +0.7% | 424 |
| May 2026 | 148 | +10 | +7.2% | 386 |
| Apr 2026 | 138 | +7 | +5.3% | 412 |
| Mar 2026 | 131 | -27 | -17.1% | 393 |
| Feb 2026 | 158 | +18 | +12.9% | 359 |
| Jan 2026 | 140 | +9 | +6.9% | 373 |
| Dec 2025 | 131 | -10 | -7.1% | 357 |
| Nov 2025 | 141 | -2 | -1.4% | 400 |
| Oct 2025 | 143 | -3 | -2.1% | 388 |
| Sep 2025 | 146 | -39 | -21.1% | 473 |
| Aug 2025 | 185 | +7 | +3.9% | 467 |
* current month, data so far
Recent updates
- Apr 20, 2026AS:RD Update - April 20, 2026 "Going Up"
- Feb 6, 2026Coming Soon: Steam PvP Fest 2026
- Nov 1, 2025AS:RD Update - November 1, 2025 "Cone of Fire"
- Sep 20, 2025Alien Swarm: Reactive Drop Hotfix - September 20, 2025
- Sep 3, 2025Alien Swarm: Reactive Drop Hotfix - September 3, 2025
- Sep 1, 2025AS:RD Update - September 1, 2025 "Electrical Hum"
When people play
Average concurrent players by day and hour over the last 15 days, shown in .
Daily activity peaks around 14:00 — a pattern consistent with a player base concentrated in East & Southeast Asia. Steam publishes no per-country player data, so this is inferred from play times.
Audience
Language mix of 100 Steam reviews spanning 34 days — a rough proxy for where the player base is.
Achievements
Every achievement in the game, ordered from most to least earned (#1 is the one the most players have). Height is the share of all players who have it; the dashed line is the median. Global rates from Steam.
