Here is the full list of all 189 Antisnake achievements.
Complete Rhombus level 1
Complete Windy level 4
Complete Vision level 1
Complete Longer level 6
Complete Bouncy level 4
Complete Runaway level 5
Complete Runaway level 4
Complete Greed level 6
Complete Windy level 3
Complete Windy level 2
Complete Bubble level 5
Complete Reverse level 3
Complete Clock level 5
Complete Spam level 3
Complete Spam level 2
Complete Spam level 1
Complete Narrow level 3
Complete Circular level 1
Complete Windy level 1
Complete Wall level 1
Complete Shifty level 3
Complete Shifty level 2
Complete Shifty level 1
Complete Insane level 3
Complete Faster level 6
Complete Faster level 5
Complete Bubble level 4
Complete Undead level 6
Try to get multiplayer, but exit
Complete co-op level 1 in any mode
Complete co-op level 2 in any mode
Complete co-op level 3 in any mode
Complete co-op level 4 in any mode
Complete Bubble level 3
Complete Greed level 5
Complete Dirty level 5
Complete Insane level 2
Complete Turtle level 7
Complete Turtle level 3
Complete Turtle level 4
Complete Turtle level 5
Complete Turtle level 6
Complete Dirty level 4
Complete Dirty level 3
Complete Undead level 5
Die even in menu
Make walls full of red
Complete any level without head
Walk throught two turtles and be alive
Complete Undead level 4
Find the way to the past
Try to eat yourself with smallest size where available
Complete Undead level 3
Circle the food
Complete Fat level 3
Complete Car level 1
Complete Bombball level 5
Complete Bombball level 4
Complete Bombball level 3
Complete Bombball level 2
Complete Bombball level 1
Complete Bouncy level 3
Complete Bouncy level 2
Complete Yolo level 3
Complete Bouncy level 1
Complete Runaway level 3
Complete Reverse level 2
Complete Reverse level 1
Mute the music
Complete Clock level 4
Complete Clock level 3
Complete Fat level 2
Complete Fat level 1
Complete Narrow level 2
Complete Narrow level 1
Complete Insane level 1
Complete Longer level 5
Complete Longer level 4
Complete Longer level 3
Complete Faster level 4
Complete Clock level 2
Complete Runaway level 2
Complete Runaway level 1
Complete Bubble level 2
Complete Turtle level 2
Complete Turtle level 1
Complete Undead level 2
Take food right before zombie
Complete Longer level 2
Complete Longer level 1
Complete Dirty level 2
Complete Dirty level 1
Complete Greed level 4
Complete Greed level 3
Complete Greed level 2
Complete Yolo level 2
Complete Yolo level 1
Complete Bubble level 1
Complete Clock level 1
Complete Undead level 1
Complete Greed level 1
Complete Faster level 3
Complete Faster level 2
Complete Faster level 1
Complete any level with few turns
Complete Normal level 6
Complete Normal level 5
Complete Normal level 4
Complete Normal level 3
Complete Normal level 2
Complete Normal level 1
Complete Insane level 4
Complete Insane level 5
Complete Insane level 6
Complete Dirty level 6
Complete Wall level 2
Complete Wall level 3
Complete Wall level 4
Complete Wall level 5
Complete Wall level 6
Complete Normal level 7
Complete Long level 7
Complete Undead level 7
Complete Insane level 7
Complete Dirty level 7
Complete Greed level 7
Complete Yolo level 4
Complete Yolo level 5
Complete Yolo level 6
Complete Yolo level 7
Complete Spam level 4
Complete Spam level 5
Complete Spam level 6
Complete Spam level 7
Complete Rhombus level 2
Complete Rhombus level 3
Complete Rhombus level 4
Complete Rhombus level 5
Complete Rhombus level 7
Complete Runaway level 6
Complete Runaway level 7
Complete Clock level 6
Complete Clock level 7
Complete Narrow level 4
Complete Narrow level 5
Complete Narrow level 6
Complete Narrow level 7
Complete Fat level 4
Complete Fat level 5
Complete Reverse level 4
Complete Reverse level 5
Complete Reverse level 6
Complete Reverse level 7
Complete Bubble level 6
Complete Bubble level 7
Complete Shifty level 4
Complete Shifty level 5
Complete Shifty level 6
Complete Shifty level 7
Complete Bouncy level 5
Complete Bouncy level 6
Complete Bouncy level 7
Complete Bombball level 6
Complete Bombball level 7
Complete Vision level 2
Complete Vision level 3
Complete Vision level 4
Complete Vision level 5
Complete Vision level 6
Complete Vision level 7
Complete Windy level 5
Complete Car level 2
Complete Car level 3
Complete Car level 4
Complete Car level 5
Complete Car level 6
Complete Circular level 2
Complete Circular level 3
Complete Circular level 4
Complete Circular level 5
Complete Circular level 6
Complete Circular level 7
Complete Ping level 1
Complete Ping level 2
Complete Ping level 3
Complete Ping level 4
Complete Ping level 5
Complete Ping level 6
Complete Ping level 7