Here are some play aids for the ASL Variant "RETRO" (an awful name, but an excellent variant!) Keep it on the side  of your map to keep the phases and other info current. Use the counters of the various nations and the last turn counter as well.

https://www.dropbox.com/s/mbuwyuuf4mtejr3/Retro%20Play%20Aid.pdf?dl=0

https://www.dropbox.com/s/hae0ygymq1aclys/SOPTILES_Multi.pdf?dl=0

https://www.dropbox.com/s/yjgcq6lk22xljwa/SOPTILES.pdf?dl=0

https://www.dropbox.com/s/tquj9yxccvrpijm/LAST_TURN.pdf?dl=0