How to get stripped screws out of outer shell?

I’ve wanted to clean my Wii for a long time now, and especially now that it started having issues I wanted to tear it down to check, but accidentally stripped some screws entirely.

Is there a way to get em without special tools?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0