Seasonal Deadman Mode (SDM) is a variation game style for RuneScape introduced in March 2016. Unlike its popular predecessor, Deadman Mode (DMM), all player stats and items are reset every three months at which point the top 2000 players on the highscores list are invited into a Seasonal Deadman Tournament. There are several differences between traditional Olds 5 in season 1, season 2 Experience will still be very quick at lower levels, but the more you train your stats the smaller your experience multiplier will get: