Here is the full list of all 17 Pahelika: Secret Legends achievements.
Skip all minigames
Solve a Stage within 5 minutes
Play the game with cheats enabled
Complete entire game within an hour
Complete the Memory Minigame within 60 Seconds.
Complete the game twice
Skip any minigame
Complete the entire game
Complete all the minigames, without skipping any one of them
Complete the game without using hints
Solve all the slider puzzles without skipping
Complete the Pressure Balancing minigame in your first attempt
Complete Stage 5
Complete Stage 4
Complete a Stage without using any hints
Complete Stage 1
Complete the tutorial