Demo 1

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SRB2 Demo 1's title screen.

Demo 1 is the first demo version of SRB2, released in November 2000. Whereas SRB2 Halloween and SRB2 Christmas had been mainly intended to showcase the progress on the engine and had contained levels that were never meant to appear in the final game, Demo 1 was the first version to start work on the Single Player campaign. It contained only one map, an incomplete version of Greenflower Zone Act 1 that ended at what is now the tunnel with the second Star Post. Although it contained a Level End Sign, the level could not be completed.

By Demo 1, more progress had been made on the game engine, which had been ported to v1.30 of Doom Legacy and was now more stable. The water physics had been adjusted to be more in tune with the classic Sonic games; the player would not sink slowly underwater but instead fall to the floor at a normal speed. Enemy chains were implemented in this version; killing multiple enemies in one move (for example by bouncing off them without touching the ground) would now increase the score awarded for each enemy. At this point, killing multiple enemies while invincible did not yet count as a chain, but doing so with a spindash did. Tails, who had been present in SRB2 Christmas, was temporarily removed as a playable character, only to return in the next demo. While not featured in Greenflower Zone Act 1 at this point, FOFs were also implemented in this version, allowing for multiple floors per sector for the first time in SRB2.

Graphically, Demo 1 also saw several changes. GFZ's characteristic checkerboard wall texture, GFZROCK, was added, replacing the rock texture that can be seen in SRB2 TGF, SRB2 Halloween, SRB2 Christmas as well as a trailer for SRB2 featuring GFZ itself shown earlier in the year for the Sonic Amateur Games Expo (SAGE)[1]. More sprites were added for Sonic, although some (such as his waiting sprites) still used the placeholders from Sonic X-treme. Doom's screen fading effect (where the old screen gave the impression of being melted away) was removed, a new title screen was added and a title card had been created for GFZ1 (at that point, title cards still had to be created specifically for each level in the source code).

A Chaos Emerald was placed directly in GFZ1, in the same place where the Special Stage Token is today. However, since GFZ1 could not be finished, there was no proper way to collect all seven emeralds in this version. However, just like in SRB2 Christmas, players could type the cheat code IDKFA on the screen (without opening the console) to get emeralds.

CD Audio Pack

A CD Audio Pack download was once available for Demo 1, which included digital versions of some of SRB2's music in the MP3 format. These were intended to be placed on a CD, so that SRB2 could play them back with its CD music playback features, as it did not yet have support for digital music in WADs themselves.

These were the included tracks:

  • Track 2 – Greenflower Zone Act 1
  • Track 3 – Drowning
  • Track 4 – Invincibility
  • Track 5 – Extra life
  • Track 6 – Game Over

No Track 1 was included; it was intended that SRB2 itself or a placeholder blank audio track be placed as "Track 1" on the CD.


External links

  Versions [view]
Pre-demo SRB2 TGFSRB2 HalloweenSRB2 Christmas
Demo Demo 1Demo 2Demo 3Demo 4Demo 4.32–4.35SRB2 2k3
Final Demo Final Demo 1.01–1.04Final Demo 1.08Final Demo 1.09–1.09.2Final Demo 1.09.3–1.09.4
Post-demo Match betaVersion 2.0Version 2.1Version 2.2In development