Direct answer
The latest explicitly versioned update found in the official Steam feed when checked September 20, 2026 was hotfix 0.9.13. It added optional damage numbers and leaderboard controls, set a 50-silver boss reward floor, changed Side Arms base auto-attack timing from 3.0 seconds to 2.5 seconds, and continued Overtime balancing.
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Latest checked September 20, 2026
Hotfix 0.9.13 added optional damage numbers, at least 50 silver from every boss, faster Side Arms base auto-attacks from 3.0s to 2.5s, and further Grassland, Desert, and Darkforest Overtime changes. The official feed can change, so guides should keep their applicable version visible.
Launch-week version history
The notes below preserve the developer's distinctions between fixed, improved, changed, and safety measures.
Version timeline
2026-09-19/20
Version 0.9.13
Affected systems: optional damage numbers, leaderboard visibility, POI marker distance, score legitimacy checks, boss silver rewards, Side Arms auto-attack timing, Mortar and Metzler balance, Grassland, Desert, and Darkforest Overtime.
2026-09-12
Version 0.9.10
Affected systems: Rare Artifact softlock, Electric Mage ally stun, Electric Arrow reliability, Back Turret balance, Side Arm rarity scaling, unlock-based rerolls, Captain penalties.
2026-09-11/12
Version 0.9.9
Affected systems: Mole pathing, Front Barracks upgrades, Valkyrie and Phoenix Feather, movement multiplier, Legendary and Special upgrade selection, Boost UI prompt, win achievements, Force Mage and Wizard Crew, Tower and Spider driving.
2026-09-10/11
Version 0.9.8
Affected systems: Ballista animation, Agent 0 and Spider safeguards, Ram damage, HP rounding, controller driving, Nitro timing, Desert Overtime, graphics mode.
2026-09-09
Version 0.9.7
Affected systems: boss positioning, Steam initialization, localization, graphics priority, module balance, late-overtime crowd control.
2026-09-08
Version 0.9.6
Affected systems: biome encounters, Dark Tower health, module and enemy balance, Ground Fire performance, statistics controls, bug fixes.