Here is the full list of all 25 Unspottable achievements.
Bully someone 10 times in start scene.
Punch an opponent under a spotlight.
Complete the tuto.
Punch all bots in start scene.
All players have been crushed.
Use the teleporter 10 times.
Punch a player out of the game area.
2 players were punched in 2 seconds.
All players get punched by robots.
3 players were punched in 2 seconds.
Complete a 1 point game.
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 punched when the lights were off.
Turn off the light 10 times in a game.
All bots killed by bombs.
All players killed by bombs.
Punch the instructor 3 times in the same game.
All players punched by instructor.