Circle of Darkness: Arena
and
Circle of Darkness: Arena Tourney


Differences
The main difference is the pace of the game. The main game is slower than the tournament game. Here are the breakdowns:

- Arena - - Tourney -
1 turn every 5 minutes. 3 turns every 5 minutes.
Different costs for different skills.
Game resets every 6 weeks. Game resets on the 1st, 11th, and 21st.
Game clears on reset. Players shift around on resets.
Career stats is kept.
Everyone plays everyone. Players only play players their game.
Respawns every 5 minutes. Respawns every 2 minutes.
Turns max out at 750. Turns max out at 2500.
Circle of Darkness: Arena