Your new tortoise might be socialized, but Joe's mum is still correct...tortoises don't play. You might see a male tortoise pushing a ball around, but its probably not "playing," more than likely its a domination thing or a trying-to-get-rid-of-the-intruder thing.
The nicest thing you can do for your tortoise is to make him a large, safe outdoor habitat with plenty of enrichment ideas...hills to climb, rocks to walk around, hiding places, etc.
Since Russian tortoises or steppe tortoises eat broad-leaf weeds and plants, you can plant dandelions, clover, dichondra, mallow, sow thistle, etc.
What would you like us to call you?
...and may we know appx. where in the world you are?
I live in Florida, and I want to build my little guy a play area too. I was wondering about the humidity down here, It is very high! Is it safe to let them outside because it is very humid.