Puzzle Retreat is a real challenge in the later stages. If you've managed to conquer it for the time being, you might like some of these other games:

Lazors Answers
Lazors Answers
WordBrain answers
WordBrain answers
4 Pics 1 Song Help
4 Pics 1 Song Help
This + That Answers
This + That Answers
Icomania Help
Icomania Help
Monument Valley Videos
Monument Valley Videos
Flow Free Answers
Flow Free Answers
What's The Band Help
What's The Band Help
Pic Combo Help
Pic Combo Help
4 Pics 1 Word Help
4 Pics 1 Word Help
TwoDots tips
TwoDots tips
GTA 5 Help
GTA 5 Help
Guess The 00s Answers
Guess The 00s Answers
Icon Pop Help
Icon Pop Help