ACROSS:
3. SCORCHESKI
4. FIVE
6. BOOSTER
10. NANKA
11. WATER
13. SHUGGU

DOWN:
1. ORB
2. CHURROS
3. SNOT
4. FOUR
5. NEOWARTS
7. TCAG
8. JETSAM
9. AAVL
12. GUN

Thanks comicfreakgal for posting today's answers in the comments :)