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Mech Builder 3D
Main game
By: Don Pachi
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By: Don Pachi
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Become a master modeler in Mech Builder 3D. Experience the relaxing process of assembling, customizing, posing and displaying all the 61 model kits with complete freedom without ever losing a piece.
PC (Microsoft Windows) · Jan 13, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
17 achievements available.
Paint 200 pieces
LockedSteam
Equip your 1st weapon
LockedSteam
Save your 1st kitbash model
LockedSteam
Use the photo icon and take your first photo
LockedSteam
Change paint styles
LockedSteam
All Principality Mechs models completed
LockedSteam
All Mecha Waifu models completed
LockedSteam
Complete your 1st model
LockedSteam
All Lagann models completed
LockedSteam
All DLC 1 models completed
LockedSteam
Unlock Kitbash mode
LockedSteam
Put 50 decals
LockedSteam
Cut 1000 nubs
LockedSteam
Complete 30 models
LockedSteam
Complete all models
LockedSteam
Complete 200 pages
LockedSteam
Fits 1000 pieces
LockedSteam
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