There are millinons of online games released by publisers every year. At the same time, billions of players involve to play games. Generally, If you are living in United States and want to play Korean games, the speed is very lag. Also internet speed around the world is different. I just checked post about internet speed around the world from here. According to the database from the post. Players who are living in Hong Kong can enjoy 84.6MB internet speed. WoW, it is so fast. But if you would like to play other countires' servers, the speed will be slowly. Many factors are affecting the ping/lag. Most of guys are looking for ways to fix ping. The answer is VPN/Proxy. Briefly, it can help you to reduce ping/fix latency, hide IP and change IP play online games. Tons of paid and free VPN providers you can choose to use. But as I know, the speed of free VPN is not very well. If you want to get fast speed, suggest you to buy paid VPN service. I don't want to introduce paid VPN service provier today. I will list some free VPN providers for online game later.
1. FlyVPN
Though it is not absolutely free VPN service provider. Many players are using its free trial version to unlock game earlier, activate other countries' game or buy chaep games from other region origin store. BTW, it is providing many countries' VPN servers in trial VPN accounts. Such as USA, Korea, China, Japan, Hongkong, Malaysia, Singapore, Taiwan, Indonesia and so on. Check more details about trial VPN info now. Its specific traffic via VPN and custom routing table features are suitable for online games. You can read tutorials on its official website.
2. VPNGate
SoftEther Corporation is a Japanese software company. It was founded as an industry-academia-government venture in April 2004 by University of Tsukuba students. VPN Gate is external Project cooperating with University of Tsukuba. Users can use its service for free. If your network is very well, I think VPNGate is fine for you.
3. FFVPN
It is a Chinese VPN prvider. It is proving China and US VPN servers in its trial account. But the guy don't have English version, just website in Chinese language. You can use Google translator to read info on its website. If you want to play Chinese or US online games, you can test with its trial account.
4. VPNBook
It has no volume limitations and provides you with login information on its website that you can use to set up a connection to one of the servers listed there without account creation. You can check account info under free VPN table. There are some EU, USA, UK and CA servers for trial. Regarding the speed, please test by yourself.
So many free VPN providers you could find in Google. I don't want to list too many. You can input serch terms as "free VPN", you will got thousands of results. If you want to protect your privacy well, I don't recommend you to use free VPN services. If you don't care, go ahead.
Conclusion
Regarding online games, let us fix ping with VPN now. Pick out fast VPNs for games. If you do want to find free VPN service, I think options above are your choices. If you do want to get better experienc during playing online games, connect to best VPN for game. If free VPN are not enough fast for your games, please do remember to test ping before investing money or find reliable VPN providers.