it's the difference between the game itself and some donated dlc, etc. Please click on the bundle information to see the specific contents:

Don't stay together online edition (24 yuan).

Don't stay together with two copies, buy one for your own use and one for a friend (48 yuan).

The Don't Starve Megapack bundle contains a famine stand-alone ontology, a stand-alone dlc shipwreck, a giant country, and an online version.

The p>Don't Starve Bundle bundle contains a stand-alone version of Famine and an online version. (54 yuan).

Best of Klei, klei Survival Bundle super bundle.