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