J.A.C.K.
Achievement list · rarity · tracker · no guide yet, sign in to request one
Find Jack out among us.Players are divided into "Jack the Ripper" and "Detective" and try to guess who is Jack.You cannot talk to other players in this game, so you must deduce who is Jack by relying solely on the actions of each player. Each game takes 10 minutes.
Export Services
Uncommon28.4%Export 100 MAP files.
Ooops!
Uncommon25.5%Get an "Invalid solid structure" error.
Clipper
Uncommon25.3%Cut 100 solids using the Clipping Tool.
Spray Paint
Uncommon18.6%Place 50 decals (Half-Life).
Unpacker
Uncommon12.7%Extract textures (Quake or Half-Life).
Chisel Me Out
Uncommon12.4%Carve 100 solids.
Holloween
Uncommon11.8%Make 25 solids hollow.
Pathfinder
Rare8.7%Create a path using the Path Tool.
Point Blank
Rare6.0%Place 1000 point entities.
Fusion Cuisine
Rare5.2%Merge 16 solids in a single Merge operation.
Splitter
Rare5.1%Split 50 faces.
Triangulator
Very rare4.0%Triangulate 10 complex solid structures.
Group Theory
Very rare3.9%Create a group consisted of 10 nested groups.
Block Party
Very rare3.2%Create 5000 solid blocks.
Pretty Solid
Very rare2.8%Create 2500 solid entities.
Incrementalist
Very rare2.5%Save 25 incremental versions of a single project.
Effectives
Very rare2.2%Create an effect in Effects Editor (Quake 3).
Curvature
Very rare1.9%Create 250 curves (Quake 3).
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