Add new stats to record for each session or cumulatively, and also record different highest scores of all time for each arena for each player (current available ones are cumulative, or only record arena details and not player's).
New session and/or cumulative stats:
Damage taken/dealt
Number of bosses defeated
Number of swarm/special waves cleared
Total number of wins (for completing non-endless arenas)
Player high-score stats (overall and/or arena-specific):
Highest wave cleared by each player for a specific arena
Highest number of kills in one session
Highest damage dealt/taken in one session
etc. (basically most cumulative/session-specific stats that are recorded)
Add new stats to record for each session or cumulatively, and also record different highest scores of all time for each arena for each player (current available ones are cumulative, or only record arena details and not player's).
New session and/or cumulative stats:
Player high-score stats (overall and/or arena-specific):