Hi all, thanks for your comments. They were very helpful.
Rory and 
Alessandro: we're intentionally doing simple fast prototypes at the start. For their final project our students will be putting together all they've learned a more in-depth game. I look forward to your comments on it!
In the meantime, here's our second round, combining scrolling and platform games:
OCD Cleaner: googledrive.com/host/0B4BL6Gi7qofMNHdNTTBwSDJqTUk/index.html
Boxed In: googledrive.com/host/0BzauYThm4-TnMHRkS3c0MFYyVkE/index.html
O2XYGEN: googledrive.com/host/0B67LtiTDI73yUlY2eFRKNGtCZVE/index.html
Jump & Shoot Boxman: googledrive.com/host/0B-6-BJRRatFBUHlZaDV6OVdTSG8/index.html
As before your feedback and comments would be greatly appreciated.
Thanks in advance!
Thomas O'Dell
Teacher, Casual Game Design
Mages Institute of Excellence, Singapore
mages.edu.sg