Here is the full list of all 25 Unspottable achievements.
Complete the tuto.
Complete a 99 points game.
Unlock all characters.
Finish a game with no robots left in Arena.
Draw a game.
Complete a 1 point game.
Use the teleporter 10 times.
All players punched by instructor.
Punch the instructor 3 times in the same game.
All players killed by bombs.
All bots killed by bombs.
Bully someone 10 times in start scene.
Win a game without any opponents scoring any points.
Punch an opponent under a spotlight.
Turn off the light 10 times in a game.
All players have been punched when the lights were off.
Leave the restaurant during your distract.
All the players got punched as they were about to leave.
All players have been crushed.
All players get punched by robots.
Punch a player out of the game area.
3 players were punched in 2 seconds.
2 players were punched in 2 seconds.
Punch the spectator in Meadow.
Punch all bots in start scene.