v3.25.1
Cover
 12 Months Ended
Dec. 31, 2024
shares
Entity Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2024
Current Fiscal Year End Date --12-31
Document Transition Report false
Document Shell Company Report false
Entity File Number 000-51138
Entity Registrant Name GRAVITY CO., LTD.
Entity Incorporation, State or Country Code M5
Entity Address, Address Line One 15F, 396 World Cup buk‑ro
Entity Address, City or Town Mapo‑gu,Seoul
Entity Address, Postal Zip Code 03925
Entity Address, Country KR
Entity Common Stock, Shares Outstanding (in shares) 6,948,900
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Amendment Flag false
Document Fiscal Year Focus 2024
Document Fiscal Period Focus FY
Entity Central Index Key 0001313310
Common Shares  
Entity Information [Line Items]  
Title of 12(b) Security Common stock, par value Won 500 per share*
Trading Symbol GRVY
Security Exchange Name NASDAQ
American Depositary Shares  
Entity Information [Line Items]  
Title of 12(b) Security American depositary shares, each representing one share of common stock
Business Contact  
Entity Information [Line Items]  
Entity Address, Address Line One 15F, 396 World Cup buk‑ro
Entity Address, City or Town Mapo‑gu,Seoul
Entity Address, Postal Zip Code 03925
Entity Address, Country KR
Contact Personnel Name Heung Gon Kim
City Area Code 82
Local Phone Number 2‑2132‑7000
Contact Personnel Fax Number 82‑2‑2132‑7070