For High Risk, Not Recommend but give you really High Returns, AZUKI, FARM. Both Of them have more than 500% APY but careful! Amepay also gives 300% APY on Exchange Bithumb for other alternatives.
You categorised $Cake as less risky investment? The hype around this project was strong and many people loss big time on this because it reach $30 ATH in a short period of time then drop sharply within the same day. Cake is a very good alternative to Uniswap but the hype surrounding it is what makes that coin become dangerous. Many pump and dump group are targeting that coin so if you unluckily bought during this fake bull run. You might loss an unimaginable loss.