Live Steam player count comparison, updated every 10 minutes. Both are Simulation games.
Garry's Mod is currently the more played game: 22,979 concurrent players on Steam right now vs 7,080 for Arma 3, about 3× more players. Garry's Mod has been ahead for 114 days straight. Garry's Mod also has the better Steam reviews: 97% positive vs 90%. Garry's Mod is currently 50% off on Steam. Across all tracked metrics, Garry's Mod leads 9 of 10.
These are Steam players only. A game that also runs on its own launcher, a storefront of its own or on console has players this number cannot see, so read it as a comparison of Steam audiences rather than of total ones.
Coilr members average 266h in Arma 3 and 245h in Garry's Mod. Connect your Steam account and this row fills in with your own hours instead — then keeps tracking both, so you can see which one you are actually still playing.

Arma 3
266h
average of 39 members

Garry's Mod
245h
average of 137 members
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Tracked by Coilr since April 2026 · Steam polled every 10 minutes · methodology
Garry's Mod has had the higher daily player count for the last 114 days, every day since Coilr began tracking both games.
Days tracked
114
Current streak
114 days
Garry's Mod
Lead changes
0
Closest gap
57%
May 28, 2026
How this works: each game's daily average concurrent players (from Coilr's 10-minute Steam polls), compared on the 114 days where both games have data. Whichever averages higher leads that day. methodology
| Metric | Arma 3 | Garry's Mod |
|---|---|---|
| Players right now | 7,080 | 22,979 |
| 24-hour peak | 8,834 | 28,905 |
| 7-day average | 7,195 | 21,981 |
| 30-day average | 6,687 | 23,037 |
| 30-day trend | −1% | −13% |
| Peak (tracked) | 14,615 | 39,117 |
| Steam reviews | 90% positive | 97% positive |
| Recent reviews (3 mo) | 88% positive | 97% positive |
| Total reviews | 295,278 | 1,264,137 |
| Owners (SteamSpy est.) | ~10,000,000 | ~20,000,000 |
| Release date | Sep 12, 2013 | Nov 29, 2006 |
| Price | $29.99 | $4.99 (−50%) |
Full stats: Arma 3 · Garry's Mod · add more games to this comparison →
| Month | Arma 3 | Garry's Mod | ||
|---|---|---|---|---|
| Avg | Peak | Avg | Peak | |
| Apr 2026 | 6,428 | 8,017 | 15,423 | 20,907 |
| May 2026 | 8,689 | 9,376 | 21,092 | 37,821 |
| Jun 2026 | 6,986 | 14,375 | 23,173 | 36,690 |
| Jul 2026 | 6,852 | 13,465 | 24,902 | 37,888 |
| Aug 2026 | 6,708 | 12,935 | 25,639 | 39,117 |
| Sep 2026 (so far) | 6,721 | 14,615 | 21,181 | 37,887 |
Monthly average and peak concurrent players on Steam, from Coilr's own tracking (10-minute polls, hourly beyond 30 days).
Garry's Mod currently has more players: 22,979 concurrent players on Steam vs 7,080 for Arma 3, about 3× more players.
Over the last 30 days Arma 3 averaged 6,687 concurrent players and Garry's Mod averaged 23,037. By that measure Garry's Mod is currently the bigger game.
Not in Coilr's head-to-head tracking: Garry's Mod has had the higher daily average concurrent player count on Steam on every one of the 114 days both games have been tracked.
By Steam review score, Garry's Mod rates higher: 97% positive across 1,264,137 reviews vs 90% across 295,278 for Arma 3. Garry's Mod has the larger player base right now (22,979 vs 7,080 concurrent). Player counts, ratings, price and trend are compared side by side above.
Arma 3 averaged 6,687 concurrent players over the last 30 days, roughly flat vs the previous 30 days. Its highest tracked player count is 14,615.
Garry's Mod averaged 23,037 concurrent players over the last 30 days, down 13% vs the previous 30 days. Its highest tracked player count is 39,117.