... now I'm old, grumpy and slow on reflexes I find easy mode not easy enough. In combination with no real save-system and limited lives this is probably going to be a sad refund.

https://www.nexusmods.com/toki/mods/1 01) 6 coins = 1 life (instead of 50) 02) +50% duration of helm 03) +50% duration of boots 04) +50% duration of shots 05) autofire ! 06) -10% jump with shoes 07) +4% jump without shoes 08) +10% jump off enemies 09) less dangerous carts 10) difficulty lives and continues change: easy 100,0(9,9) medium 4,5(4,9) hard 3,5(2,5) hardest 2,5(2,3)...

Patch 1.1 We’ve made some changes and fixes to improve the gaming experience, as follows: Fixed a problem of screen synchronization on some monitors. A window mode has been added, operable with Alt + Enter keys Patch 1.2.1 (06/19/2019) Improved synchronization for some monitors...

In the NES version, you could take three hits, now only one? Why would they do this?

This would be a useful feature