Practical research library
Cosmic Mart Resources & Checklists
Use these tools with the main guide library. Every page separates official facts from methodology and avoids fabricated names, paths, multipliers, or fixed procedural routes.
Achievement checklist
Track the exact achievement names shown in your Steam client. Progress stays in your browser.
Steam platform guideCosmic Mart Steam Cloud and Save Safety Guide
Protect Cosmic Mart progress when changing PCs, reinstalling Steam, or resolving a Cloud conflict without guessing an unverified local save path.
New-player checklistCosmic Mart Beginner Mistakes to Avoid
A source-grounded checklist based on Cosmic Mart's confirmed procedural-room, dodging, mercenary, and item-combination loop.
Run-planning toolCosmic Mart Floor 6 Preparation Checklist
A pre-run and between-room checklist for the procedural climb to Cosmic Mart's sixth floor.
Evidence methodologyHow to Test Cosmic Mart Item Interactions
A repeatable worksheet for testing item interactions while separating visible results, hypotheses, and confirmed mechanics.
Connect tools to the guide library
Start with the beginner guide, use the Floor 6 strategy, and check the version tracker before relying on older conclusions.