Singapore (Into the Future)

Singapore is the 22nd stage in Into the Future.

Reference

 * http://battlecats.spica-net.com/chapfuture1/s03.html
 * http://battlecats.spica-net.com/chapfuture2/s03.html
 * http://battlecats.spica-net.com/chapfuture3/s03.html