The Tale of a Senile Wizard

Link to WebGL Version (Use Fullscreen!!!):
WebGL

Basic Instructions:

 Guide the senile old wizard through this mysterious dungeon and help him get home by finding the Portals. 

• Move him around with WASD. 
• Sometimes you might even be able to Jump by pressing Space if the senile old wizard remembers how to cast the dimension Spell.
• You will find Books on the way, which will remind the wizard how to cast a spell if you press E while standing next to it.
•  If you get stuck you can press R to reload the Level

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Further Instructions (Read if you need further explanation of the Game):

The Senile Old Wizard will sometimes find books along his way which remind him about the spells he used to cast.
The green Book: This book will grant him to cast a spell which slows down time for a set duration.
The blue Book: This book will chill down the environment and thus freezes water. But be careful, the Senile Old Wizard might slip on ice.
The red Book: This book will change the dimension the Senile Old Wizard experiences. It changes from a Top-Down-Movement to an Side-View-Movement where the Wizard can Jump. 

He is also able to push these weird looking boxes around who might behave differently on ice.