Mature+ Blood and gore 17 or older.
You say 'I've missed Half my life' which is short for : "I have missed half my life'
No. Half-Life: Source runs on the Source engine. The original Half-Life doesn't. You cannot use mods made for the original Half-Life on Half-Life: Source because they run on different engines and it won't work.
Half-Life, Half-Life: Blueshift, Half-life: Opposing Force, Half-life: High Definition pack (might not classify as a game), Half-Life: Source, Half-Life 2, Half-Life 2: Episode 1, and Half-Life 2: Episode 2. Eight games total not including countless mods created by fans that you can download for free on moddb.com and fileplanet.com. Other games by Valve software include Left 4 Dead, Left 4 Dead 2, Portal, Portal 2, Counter Strike, Counter Strike: Source, Team Fortress, Team Fortress 2, and Alien Swarm. Another Half-Life game would be Half-Life: Decay. You might also be able to count Half-Life Deathmatch and Half-Life 2 Deathmatch.
Because there's blood, some bad language, and violence. But some rated m games are 16 plus, which is half rated t and half 18 plus
There may not be much swearing, but it's extremely bloody when you get to ravenholm. The zommbies may give kids nightmares and it is moderately violent.
All the Half-Life games are rated M.
Half Life - 1986 is rated/received certificates of: Australia:G Sweden:7
My Whole Half Life - 2014 is rated/received certificates of: Germany:6
Nairobi Half Life - 2012 is rated/received certificates of: Switzerland:16
Half-Life 2 Episode Two - 2007 VG is rated/received certificates of: USA:M
Half-Life Counter-Strike - 2000 VG is rated/received certificates of: Brazil:(Banned) South Korea:15 USA:M
A Year and a Half in the Life of Metallica - 1992 V is rated/received certificates of: Germany:6 Ireland:15 UK:15
Half-Life 2 Episode One - 2006 VG is rated/received certificates of: Australia:MA Portugal:M/16 USA:M
La Femme Nikita - 1997 Half Life 2-7 is rated/received certificates of: Argentina:13
no You idiot, it is rated M. And it is rated M because there is a extremely large amount of blood, there is a lot of violence, and there are some pretty scary Zombies O_O
New Tricks - 2003 Half Life 8-9 is rated/received certificates of: UK:12 (video rating) (2011)
No. Half Life: Opposing Force does not require neither Half Life nor Half Life: Blue Shift.