You just have to do tasks for various sims by collecting esscences and building furniture for them!!! there is no easy way to level up. :(
You need to have the tool for Star Level 4.
Reach star level 4
You get to level 5 on My Sims Kingdom by:Keep playing and following the instructionsDoing whatever is needed to winListening to Dr. FTHERE IS NO LEVEL 5!! YOU GO AS FAR AS LEVEL 4 AND YOU BEAT THE GAME, THERE ISN'T 5 STARS.
Reach level 50
level 4 I think {starting from winter contingentcie}.
by cliking on icon in corner
you keep playing it
easy. dance, chat, do the usual.
When you have gold on all races and all tracks you unlock level 100.
get to star level 3 or 4
You're looking about 4 years into the past. This is because it takes about 4 years for the light produced by the star, to travel through space and reach earth.
You become level 55.