ROBO was created in January 2018 in an experiment to understand how Bitcoin and Litecoin work. ROBO is mined by PoW and uses the SHA256 algorithm. This coin derives directly from Bitcoin 0.15.1, has back ported the CPU miner, and tweaked chain params to the following specs.

SPECIFICATIONS

Name: ROBO
Symbol: ROBO
Coin Type: PoW
Algorithm: SHA256
Block Time: 2 min
Retargeting Interval: 1,440 blocks
Block Reward: 50
Block Halving Rate: 420,000
Total Coins: ~42,000,000
Premine: < 1% (less than 5,000 blocks)

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The source code is available on GitHub.  More information, wallet downloads for Windows, Mac and Linux can be found on roboproject.org. Along with back porting the CPU miner, comes the setgenerate RPC command: Mining Guide

About CPU Mining: getblocktemplate and submitblock RPC calls are disabled as an effort to allow CPU mining.  ROBO was actually CPU mineable for a brief period before somebody backported getblocktemplate and submitblock.