Your actions—specifically how many Mudokons you save—dictate the ending you receive:
: To see the ultimate conclusion, you must save 80% of Mudokons in all 17 levels. Oddworld Soulstorm PS4
: Save 80% or more Mudokons in 6 levels or fewer . Bad Ending : Save 80% or more in 7 to 11 levels . Oddworld Soulstorm PS4