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Mech Builder

Mech Builder

Welcome to Mech Builder- a relaxing puzzle game inspired by Model building(gunpla). You will experience the relaxing process of building a model kit with complete freedom with over 70+ puzzles.

Released Jul 16, 2024 Developer Don Pachi Platforms Windows PuzzleRelaxingPoint & Click2DIndie
View on Steam ↗ $9.99 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-04 · quoted reviews as of 2026-05-14.

73.2%positive534 reviews
Recommended · 0 found this helpful

“If you love building Gunpla kits like Gundam Wing, but you don't have the money or space for them, then here's your new favorite game. There are a LOT of kits contained in the base game, plus 15 per DLC, so there is easily hours of enjoyment to be had. The pieces snap together…”

— a player, Steam review · 36 hrs played
Recommended · 1 found this helpful

“No time restraints, relaxing music and the ASMR clicking of pieces snapping into place. It's like doing a jigsaw, only with defined shapes and an instruction manual. Different categories of mechs, clearly inspired by every geeky IP going. They come in blocks of five which is…”

— a player, Steam review · 17 hrs played
Not recommended · 26 found this helpful

“"AI Generated Content Disclosure" also the game itself is extremely basic if youre reading this review you are probably an autistic nerdy weeb or something, thats great! whats not great is the fact that the mechanics of this game are extremely surface level, all of it is just…”

— a player, Steam review · 15 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-07 via SteamCharts.

132all-time peak
0 25 50 2025 2026 No data collected for this period 44 avg · Jul 2024

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-19.

31achievements
16.9%median completion
3.6%rarest: Infernal (DLC3)
79.6% of players 52.4% of players 44.2% of players 42.4% of players 32.5% of players 29.5% of players 28.3% of players 26.0% of players 24.2% of players 23.8% of players 22.0% of players 21.9% of players 21.8% of players 21.4% of players 18.6% of players 16.9% of players 14.0% of players 13.6% of players 12.9% of players 11.7% of players 10.7% of players 10.5% of players 8.5% of players 6.3% of players 6.0% of players 4.9% of players 4.6% of players 4.4% of players 3.9% of players 3.8% of players 3.6% of players 79.6% 0% most earned rarest
Almost everyone has
79.6%Tutorial completed — All tutorials finished. The room is now unlocked on the main menu.
52.4%Cutter — Use the cutter 1000 times
44.2%Chibi Grade — All Chibi Grade models completed
Rarest badges of honor
3.6%Infernal (DLC3) — All Infernal models completed
3.8%Masked (DLC3) — All Maked models completed
3.9%Holy (DLC3) — All Holy models completed

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-12. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-09-26 21:12 UTC
$4.99lowest since tracking began2026-08-31
US9.99 USD
EU9.99 EUR
UK7.75 GBP
Australia14.47 AUD
Canada11.39 CAD
Japan1,024 JPY
Brazil29.98 BRL
China34.98 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$5.2 Brazil Japan Canada US Australia UK EU≈$11

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.

$0 $10 $20 08-12 08-21 08-30 09-08 09-17 09-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Aug 31, 2026
Mech Builder + all DLCs 50% off

Now is your chance to get Mech Builder and all DLCs with 50% off. Base game (71 models) + DLCs (45 models)= Total 116 MODELS

Jul 30, 2026
Click Build Repeat: Officially released!!

Click Build Repeat is an incremental game about building and collecting model kits. Get it with 20% off right now:

Jun 15, 2026
Click Build Repeat: New incremental gunpla game

Click Build Repeat is an incremental game about building and collecting model kits. It's a game I've been developing and it will be released in July, you can try the demo and add it to your wishlist:

Mar 19, 2026
Mech Builder + all DLCs 50% off

Now is your chance to get Mech Builder and all DLCs with 50% off. Base game (71 models) + DLCs (45 models)= Total 116 MODELS

Feb 09, 2026
Mech Builder + all DLCs 50% off

Now is your chance to get Mech Builder and all DLCs with 50% off. Base game (71 models) + DLCs (45 models)= Total 116 MODELS

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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-14.

GenresIndie
Player tagsPuzzle · Relaxing · Point & Click · 2D · Indie · Crafting · Artificial Intelligence · Casual · Mechs · Atmospheric · Character Customization · Immersive Sim (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Family Sharing
LanguagesEnglish * , French, Italian, German, Simplified Chinese, Spanish - Latin America, Japanese *
Achievements31
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 Processor: Dual Core 2.66GHz (64 bit) Memory: 6 GB RAM Graphics: Radeon HD 7770, GeForce GTX 460 or better DirectX: Version 11 Storage: 4 GB available space Sound Card: Windows Compatible Sound Card Additional Notes: Requirements may change as development furthers