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J.A.C.K.
Not enough reviews
Started playing 29% of owners
Steam reviews 93% positive of 305
What the data shows
- Only 306 reviews so far — too early to tell.
- Only 28% of owners have even the first achievement — the rest barely played.
When it gets good
Share of positive reviews by how many hours the reviewer had played when writing the review.
Not enough reviews.
Where players quit
Share of players who started the game and reached each story milestone. 100% is the most common achievement (28.5% of owners), so people who bought the game and never launched it don't count.
Story milestones aren't labeled yet; all achievements are listed below.
All achievements (18)
- Export Services Export 100 MAP files. 100%
- Ooops! Get an "Invalid solid structure" error. 90%
- Clipper Cut 100 solids using the Clipping Tool. 86%
- Spray Paint Place 50 decals (Half-Life). 64%
- Chisel Me Out Carve 100 solids. 44%
- Unpacker Extract textures (Quake or Half-Life). 43%
- Holloween Make 25 solids hollow. 40%
- Pathfinder Create a path using the Path Tool. 28%
- Point Blank Place 1000 point entities. 21%
- Splitter Split 50 faces. 17%
- Fusion Cuisine Merge 16 solids in a single Merge operation. 17%
- Group Theory Create a group consisted of 10 nested groups. 14%
- Triangulator Triangulate 10 complex solid structures. 13%
- Block Party Create 5000 solid blocks. 11%
- Pretty Solid Create 2500 solid entities. 9.5%
- Incrementalist Save 25 incremental versions of a single project. 8.8%
- Effectives Create an effect in Effects Editor (Quake 3). 7.0%
- Curvature Create 250 curves (Quake 3). 6.0%
Steam page Updated: 2026-10-21.