Sprint through acid without slowing down. Unlock four tiers of boots from basic protection to complete immunity. Progress through Nauvis and beyond with speed and confidence.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
Version: 0.8.0
Date: 2026-07-09
Bugfixes:
- Fixed boot quality not being preserved when replacing boots. Higher quality boots (uncommon, rare, epic, legendary) now correctly return the same quality when replaced. (Thanks to DATMs for reporting!)
Version: 0.7.0
Date: 2026-07-08
Changes:
- Updated technology requirements to include planet-specific science packs
- Tier 2 (Acid-Resistant Boots) now requires Metallurgic science pack for tungsten materials
- Tier 3 (Caustic-Null Boots) now requires Metallurgic and Electromagnetic science packs for holmium materials
- Tier 4 (Voidstep Boots) now requires all planet science packs (Vulcanus, Fulgora, Gleba, Aquilo) for quantum processor technology
Version: 0.6.0
Date: 2026-06-28
Changes:
- Version bump for Factorio 2.1
Version: 0.5.0
Date: 2026-05-20
Features:
- Craft and equip four types of protective boots that keep you moving fast in acid.
- Insulated Boots: First tier, basic protection and a small speed boost.
- Acid-Resistant Boots: Better protection and faster movement, requires Space Age materials.
- Caustic Null Boots: Strong protection with a significant speed increase, requires Space Age materials.
- Voidstep Boots: Ultimate tier boots that make you immune to acid slowdown entirely, requires Space Age materials.
- Only one pair of boots can be equipped at a time; equipping a new pair replaces the old one.
- Progress from basic boots to advanced Space Age tiers as you advance through the game.