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