I can't give some games away.

Free games, good you ask because some ppl don't and then fuck up, games that were given for free cannot be created as giveaways.

Race On is part of the RACE - The WTCC Game package, which for "Race 07" - which came with all the items in the package, but was listed as Race 07, people have been using that tag.
Not sure about "Race On", someone else may confirm that.
Seems Bundlestars had the bundle. Race On contained RACE 07, RACE On, STCC: The Game and RACE 07 - Formula Race Room Add-On. If your key is from bundlestars, you'll be able to create it as Race 07, (but not the WTCC Game package, since too many missing), just mention that it also contains Race On, STCC, etc. Your still giving away an accurate game then.

Pressure was given away free recently and isn't available to give away. You'd have to drop the key somewhere in a thread or create a puzzle if you wanted to give it away, though you won't get any CV credit for such.

Giving unrecognized games under other names, i.e setting a giveaway for "Pressure Under the Sea" (random example, probably non-existent) and actually giving "Pressure" is misleading and against the site ToS due to CV Abuse. If a bundled package for Pressure Under the Sea & Pressure, you'd still have to give both games together, or as a singular key activating both. That's the only time a "free" game can be given, if part of a package including the rest of the items in the package.

Ok guys thanks for answering. I'll use keys for myself.