The simple answer to how to get moshlings without seeds is you can't. You need to plant seeds to get moshlings. A lot of different sites and forums will say there are cheats to get moshlings without planting seeds but there is also a lot of users afterward saying these cheats so you might as well stop wasting your time trying to find a cheat and start planting those seeds.
- Moshi Monsters
- Moshi Monster origins