Monkey Happy 1 to 4 - New Game Series ?
You are in :monkey go happy
Stage 1 begins with classic puzzle with colors. Use arrow direction as an indication of which color goes where, but first make sure to pick up the key to unlock the hidden room inside the floor. Oh, and don't forget to collect three monkeys in the process. I don't see how this is different from the 'old' monkey go happy series, but ..ok.
Update: I've just discovered the reason behind going from 'go' to plain monkeyhappy series. According to pencil kids' developer, Robin Vencel, he wanted to switch from flash to html5 what would enable this series to be playable on mobile devices, but he couldn't manage to buy domain name (someone bought it before him). This is why the series lost 'go' from the name, but as I already stated, nothing else had changed, except of course the ability to play new games on mobile devices... cool