Here is the full list of all 11 Lucky Slots achievements.
Collect 50 bonuses
Get 3 identical symbols in a row on Payline 2
Cash out with at least 50,000 coins in a single round
Clock up 100 free spins
Win 3 Red or Black games in a row in a single round
Get a JACKPOT five times
Get 3 WILD in any combination
Cash out with at least 5,000 coins in a single round
Get a GREAT WIN ten times
Get 3 identical symbols in a row on Payline 1
Get 3 identical symbols in a row on any pay line