Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2018	Feb. 25, 2019
Document And Entity Information
Entity Registrant Name	WORLDS INC
Entity Central Index Key	0000001961
Document Type	10-K
Document Period End Date	Dec. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Is Entity Emerging Growth Company?	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Public Float		$ 15,958,032
Entity Common Stock, Shares Outstanding		56,814,833
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2018
Entity Shell Company	false