Arena

The Arena is a game mode from Metal Gear Acid 2 were the player loads his card deck to face a series of opponents.

Terrains
Each battle takes place in an arena based on the first three Metal Gear Solid games: Inside a building from Shadow Moses Island, inside the Big Shell, and a camp in Tselinoyarsk. The terrain from each is always the same, so knowing the map is important when forming a strategy, as Oil Drums can cause extra damage Fire extinguisher and the watch tower from Tselinoyarsk to avoid most attacks from Vamp and The Boss.

Rewards
Like the normal mode, each victory awards the player according to their rank, with no reward for the lowest ranks and three cards for S rank. Additionally, consecutive victories unlock the following cards:
 * EZ Gun - Win six times in a row on Easy.
 * Stealth - Win six times in a row on Normal.