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