Here is the full list of all 25 Legendary Eleven: Epic Football achievements.
Score 500 goals
Score 20 goals with a bicycle kick
Win 100 games
Finish 100 games
Unlock all 32 stickers in the game
Perform 100 Super Shots
Do 100 substitutions
Unlock 24 stickers
Win 25 games
Win Europe Cup
Win World Cup
Win the World Cup with USSR
Win a game in the last minute
Win America Cup
Score 50 goals
Score 1 own goal
Get 1 Player Expelled
Unlock 16 stickers
Win Asia Cup
Do 25 successful dribbles
Score 1 penalty goal
Unlock 10 stickers
Win your first game
Win Africa Cup
Do 3 substitutions