Last summer Deep Silver announced Dead Island: Epidemic - the free-to-play MOBA spin-off of its zombie apocalypse series - and now it's arrived on Steam Early Access.Developed by Stunlock Studios of Bloodline Champions fame, Dead Island: Epidemic's free open beta is still on its way, but players can buy into its recently launched closed beta with the Patient Zero Pack for 12.99 / $16.99. This includes three additional characters, five unique weapons, extra experience points and in-game currency.The 26.99 / $39.99 Deadicated Pack includes all of the above along with six tier 2 weapons, player character Sam B, and added characters and items.The best value come from the 29.99 / $44.99 Contagion Pack, which includes four Deadicated Packs, so you can keep one and gift the rest to your friends.