Not bitcoin but try these blockchain games
(NFT's):
Axie Infinity - ETH, SLP, AXS
MyDefiPet - KAI, BSC
Alien Worlds - TLM, WAX
Prospectors - PGL, WAX
Rplanet - Aether, WAX
Mobox - MBOX
And many more to list. Please DYOR before putting some investment.
Disclaimer: You will be hardly hooked at those Much aware with these games since ive been engaging in 4 of them but we know that this is involving some investment and you wont earn if you wont be putting up on buying up some tools,teams or related to that.
as for axie infinity, you can become a "scholar"(
[1]). basically, the investor will lend you three(a complete team) axie for you to play. they'll provide you with assistance on what to do or how things work in axie infinity. in return what you earn through playing will be cut in whatever contract the two of you agreed upon. It's a pretty great way to earn extra money without spending money.
It is the main trend now when it comes to that game where you can possibly earn without spending a dime but of course you would really be needing your time and effort which i could say to be normal
but honestly the earnings is way too decent which it isnt surprising that people would really be doing their best to get hired and ive seen lots of people on their facebook page and even other groups
that had been spammed out by lots of resumes and applications for being a scholar and even myself is a bit interested on this one because the money you can earn is really good
if its converted to my local fiat.