In general, you can check:
- Amazon
- eBay
- GOG (During GOG sales, the games get really cheap.)
Both expansions add significant amounts of content to the game and are highly recommended. "Deluxe" and "Gold" versions include both expansions. The cheapest location to buy RCT1 is:
If both stores are selling for the same price and you can't decide which one to buy:
GOG games are totally DRM-free. You can install them as you please, on as many computers as you want. If you don't play many video games on your computer, GOG may be the version to get.
Steam games have DRM. People who play a lot of games on their computer generally like Steam, and would prefer it over GOG. If you already have other games on Steam, it might be more convenient to buy RCT on Steam. Steam Family Sharing also allows you to share your game with other real-life friends (to be confirmed whether RCT1 / RCT2 work with family sharing).
In general, you can check:
- Amazon
- eBay
- GOG (During GOG sales, the games get really cheap.)
There are three main components of RCT2:
Frontier Developments went on to make all of RCT3 (Chris Sawyer was not involved). The Wacky Worlds and Time Twister expansion packs do not add much, and they can be safely removed or ignored. RCT2: "Triple Thrill Pack" (USA) and RCT2: "Deluxe" (Europe) include the game and both expansions. There are two major unofficial add-ons to RCT2:
Several other fan-made scenarios, rides, and scenery options are available.
If you want to buy digitally, these two are your best bet (unless somewhere else has a sale):
If both stores are selling for the same price and you can't decide which one to buy:
GOG games are totally DRM-free. You can install them as you please, on as many computers as you want. If you don't play many video games on your computer, GOG may be the version to get.
Steam games have DRM. People who play a lot of games on their computer generally like Steam, and would prefer it over GOG. If you already have other games on Steam, it might be more convenient to buy RCT on Steam. Steam Family Sharing also allows you to share your game with other real-life friends (to be confirmed whether RCT1 / RCT2 work with family sharing).
No sales are currently running, as of this writing. It seems one sale happens at least every 6 months. Past sales:
In general, you can check:
- Amazon
- eBay
- GOG (During GOG sales, the games get really cheap.) $6.99 for Platinum current as of 15/7/2013.
I have no opinion of the expansions, but they were made by Frontier Developments. Frontier also made the original game. Chris Sawyer, creator of the first two games, had little to do with RCT3. "RollerCoaster Tycoon 3: Platinum!" includes both expansions. The cheapest location to buy RCT3 is:
SALE - RCT3: Platinum ($10)