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