Mainframe Defenders price · all-time low
Mainframe Defenders's current Steam price is $0.59 (90% off the $5.99 list price), and its all-time low is $0.59 (2026-08-10). See Lowstamp's buy-or-wait verdict and price history to decide if now is the time.
Mainframe Defenders was developed by Synthetic Domain and released in 2020. It has 787+ Steam user reviews.
At $0.59, it's at (or below) its all-time low right now — on price alone, this is rock bottom. We've tracked its price since 2026-06; over that time it averaged $3.00 and peaked at $5.99.