Change the preset modes as you want static const GameType games[24] PROGMEM = { { FISCHER, 0, 1, {{ 300, 0}, {0, 0}, {0, 0}}}, // 01 Time blitz 5 min { FISCHER, 0, 1, {{1500, 0}, {0, 0}, {0, 0}}}, // 02 Time rapid 25 min { FISCHER, 0, 1, {{ 180, 0},...