Unofficial fan wiki
Totally Safe Moon Project Wiki
Stack junk. Reach the Moon. Destroy the rock.
Guides for the Steam game where a giant asteroid is about to hit Earth and the only way out is a tower to the Moon: the walkthrough, co-op answers, Gravity Gun upgrades and all 44 achievements.
Start here
First climb checklist
Walkthrough
From the first stack to delivering the laser: one ordered route to the top.
Open Phase · Co-opMultiplayer and co-op
Up to 4 players online: what is supported, what is not, and how to stack together.
Open Phase · UpgradesGravity Gun upgrades
How the upgrade points work and what players report each level costs.
Open Phase · TrophiesAll 44 achievements
Every Steam achievement with its condition, hidden ones flagged, and unlock rates.
OpenRecent updates
Browse all- Totally Safe Moon Project Achievements: All 44 and How to Unlock
- Totally Safe Moon Project FAQ: Price, Co-op & PC Specs
- Totally Safe Moon Project Multiplayer & Co-op Guide
- Totally Safe Moon Project Tower Building Tips
- Totally Safe Moon Project Walkthrough — Tower to the Moon
- Gravity Gun Upgrade Costs in Totally Safe Moon Project
Explore the wiki
Three sections, each page stamped with the date it was last checked.
Guides
Routes and answers for getting from the garage to the asteroid.
Walkthrough
Build, upgrade, bring the laser
Multiplayer and co-op
Up to 4 players online
Tower building
What to stack and what to avoid
FAQ
Price, requirements, Steam Deck, codes
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Items and achievements
Reference pages built from Steam data and player reports.
44 achievements
Conditions and global unlock rates
5 hidden achievements
Flagged in the full list
Gravity Gun upgrades
Costs as reported by players
Objects and secrets
Only what is confirmed
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Ready to build your tower?
Bookmark this wiki. Each page lists when it was last checked against the game, and anything we cannot confirm is marked as reported.