"Guest Character/Special Partner" system. While similar in function, guest characters are randomly allocated to each player at the beginning of a match. They are also limited to a few uses per round. Clash of Super Heroes introduces a new technique called the "Variable Cross", also known as a "Duo Team Attack". When executing a Variable Cross, the player can attack their opponent with both characters simultaneously for a limited time. In addition, the player is given unlimited use of the "Hyper Combo Gauge", a colored meter towards the bottom of the screen which allows the player to perform several special techniques, allowing them to pull off multiple Hyper Combo moves, which deliver heavy damage to the opponent, in quick succession. Modes The Dreamcast version of Marvel vs. Capcom: Clash of Super Heroes includes five game modes: Arcade, Versus, Training, Survival, and Cross Fever. In Arcade Mode, the player must defeat several artificial intelligence-controlled teams to reach the final boss character, Onslaught, a character from the X-Men comic book series. Upon completion, the player views a cinematic ending unique to each playable fighter. In Versus Mode, two players can choose their characters, handicap level, and stages before competing against each other in battle locally. The player can practice moves and combos in Training Mode, where they can also adjust certain settings, such as AI difficulty, and the number of bars available in the Hyper Combo Gauge. In Survival Mode, the player fights through waves of enemies with a time limit; in addition, the player's life gauge is carried over through each round. Cross Fever Mode allows four players to simultaneously compete in a two-on-two match. In place of Cross Fever, the PlayStation version features an exclusive mode called Cross Over. Cross Over is the only mode in the PlayStation port that permits tag team gameplay, which was removed due to the console's limited RAM capacity. Playable characters Marvel vs. Capcom: Clash of Super Heroes features a roster of 15 playable fighters. Unlike Marvel Super Heroes vs. Street Fighter, which limited itself to characters from the Street Fighter series, Clash of Super Heroes uses characters from other Capcom video game franchises, such as Darkstalkers, Mega Man, and Strider. The game features 20 unplayable guest characters, drawn from the Marvel and Capcom universes, which are used for support during battle. Guest characters from Marvel Comics include Colossus, Cyclops, Iceman, Jubilee, Juggernaut, Magneto, Psylocke,