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