
Players now
1
24h peak
2
Peak (tracked)
32
Coilr players
0
This game's player count is measured about every 10 hours. Steam allows a limited number of requests per day, so the busiest games are measured every few minutes and quieter ones less often. The shape of the curve is real, the fine detail between points isn't recorded.
Positive
88%
Total reviews
795
Pos / Neg
696 / 99
% positive by month
No verified owner has reported a time for Mainframe Defenders yet.
Sign in to be the firstHow many tracked owners still play, something raw concurrent counts can't tell you.
Not enough Coilr players tracking this game yet.
Country distribution of Coilr players who own this game.
Not enough location data yet.
Inferred from when Mainframe Defenders is busiest each day. A rough estimate of the global playerbase from player-count patterns, not exact player locations.
Most players look to be in Americas (~46%).
Players online by hour (UTC)
Busiest around 03:00 with about 18 people in game — 17.5× as many as at 21:00, the quietest hour.

Star Renegades
Mechs · Tactical RPG

App 1597790
Mechs · 1980s

Shattered Planet
Traditional Roguelike · Procedural Generation

Dungeonmans
Traditional Roguelike · Rogue-like

Dungeons of Dredmor
Traditional Roguelike · Rogue-like

Into the Breach
Mechs · Rogue-like

Sproggiwood
Traditional Roguelike · Procedural Generation

Rift Wizard
Traditional Roguelike · Minimalist
As of September 2026, about 1 people are playing Mainframe Defenders on Steam right now, with a 24-hour peak of 2 concurrent players.
Mainframe Defenders's player activity peaks around 03:00 UTC, which points to its largest audience being in the Americas region, an estimated 46% of active players, followed by Asia-Pacific. (Estimated from global player-count patterns, not exact player locations.)