Mario Forever: Polish Letter Worlds Series v1.5 - World Ś

Ś like święta (pl. christmas)? I don't think so. I don't know when will World Ź because this world is really hard. Timestamps: 00:00 - Intro 00:10 - World Ś-1 04:00 - World Ś-2 07:08 - World Ś-3 10:54 - World Ś-4 18:08 - World Ś Ending 18:34 - End