?balance — check money
?work — earn coins
?daily — claim daily reward
?shop — view items
?buy — purchase item
?inventory — view items
?give — send coins
?leaderboard — top players
?bank — manage bank
?steal — rob user
?gamble — double or nothing
?fish — go fishing
?crime — risky reward
?slots — slot machine
?interest — bank interest
?use — use item