Here are all released versions of Steamhammer, dating back to 2016.
Versions 2.1.4 and earlier require the BWTA2 terrain analysis library; versions 2.2 and later do not. The BWAPI version (included in the binary release) is 4.4.0 for versions 3.3 and later; 4.1.2 before then.
“Elo” below is elo ratings from BASIL. When there are two numbers, the top one is Steamhammer zerg and the other is Randomhammer (Steamhammer playing random). The opposition is always changing, so the longer the time period, the less comparable the numbers are. Before version 2.3, ratings were from SSCAIT and are not comparable with later ratings.
Missing time between dates in the table indicates when I was running versions which I did not release. Version 1.2.3 does not have a known elo rating because of an SSCAIT server fault on the day it was released.
| binary | source | docs | elo | date | notes |
| 6.2.4 binary | 6.2.4 source | - | 2929 2806 |
15 Oct 2026 | AIIDE 2026 version |
| 5.3.6 binary | 5.3.6 source | - | 2929 2905 |
10 Oct 2025 | terran and protoss macro |
| 4.0 binary | 4.0 source | - | ? | 16 Feb 2024 | machine learning |
| 3.6.1 binary | 3.6.1 source | - | 2885 2812 |
22 Oct 2023-unrecorded date | post-AIIDE 2023 fixes |
| 3.5.10 binary | 3.5.10 source | - | 2872 2800 |
1 Oct 2021-22 Oct 2023 | AIIDE 2021 version |
| 3.3.5 binary | 3.3.5 source | - | 2599 2511 |
21 Dec 2020-19 Jan 2021 | SSCAIT 2020 version |
| 3.3 binary | 3.3 source | - | 2673 2508 |
5 Dec 2020-21 Dec | BWAPI 4.4.0 |
| 3.2.19 binary | 3.2.19 source | - | 2678 2581 |
1 Oct 2020-5 Dec | AIIDE 2020 version |
| 3.1 binary | 3.1 source | - | ~2650 ~2550 |
12 Aug 2020-1 Oct | raid defense |
| 3.0.2 binary | 3.0.2 source | - | 2701 2596 |
5 Apr 2020-12 Aug | skill kit |
| 2.4.2 binary | 2.4.2 source | docs | 2577 2437 |
23 Dec 2019-5 Apr 2020 | burrow skill |
| 2.4 binary | 2.4 source | docs | 2480 2336 |
28 Nov 2019-22 Dec 16 Dec |
HumanOpponent setting |
| 2.3.5 binary | 2.3.5 source | - | 2480 2304 |
17 Sept 2019-24 Oct | AIIDE 2019 version |
| 2.3 binary | 2.3 source | - | 2461 2356 |
2 Apr 2019-18 Aug 2 Apr 2019-17 Sept |
fixes especially terran and protoss |
| 2.1.4 binary | 2.1.4 source | - | 2263 2206 |
20 Dec 2018-2 Apr 2019 | SSCAIT 2018 version |
| 2.1 binary | 2.1 source | - | 2145 2037 |
14 Nov 2018-20 Dec | supports all races again |
| 2.0 binary and source | - | 2164 | 6 Oct 2018-14 Nov | AIIDE 2018 version zerg only |
|
| 1.4.7 binary | 1.4.7 source | - | 2177 2009 |
13 Jul 2018-6 Oct (zerg) -14 Nov (random) |
critical bug fix |
| 1.4.6 binary | 1.4.6 source | - | 2140 2028 |
12 Jul 2018-13 Jul | CIG version + trivial tweaks crashing bug! |
| 1.4.4 binary | 1.4.4 source | - | 2185 2037 |
18 Jun 2018-12 Jul | bug fixes |
| 1.4.3 binary | (no source) | - | 2087 2041 |
11 June 2018-18 Jun | AIST S1 version learning data cleared |
| 1.4.2 binary | 1.4.2 source | docs | 2148 2057 |
14 May 2018-11 Jun | learned opening selection |
| 1.4.1 binary | 1.4.1 source | docs | 2158 2098 |
1 Apr 2018-14 May | fixes |
| 1.4 binary | 1.4 source | docs | 2136 2144 |
1 Feb 2018-1 Apr | opponent model |
| 1.3 binary | 1.3 source | docs | (data lost) | 6 Aug 2017-8 Sep | morphed zerg units |
| 1.2.3 binary | 1.2.3 source | docs | (unavailable) | 13 May 2017-25 July | drop strategies |
| 1.2.2 binary | 1.2.2 source | docs | 2232 2200 |
3 Apr 2017-13 May | bug fixes |
| 1.2.1 binary | 1.2.1 source | docs | 2181 2057 |
27 Mar 2017-3 Apr | basic skills, especially for terran |
| 1.2 binary | 1.2 source | config | 2291 2091 |
16-27 Mar 2017 | supports all races |
| 1.1.1 binary | 1.1.1 source | config | 2285 | 28 Feb 2017-16 Mar 2017 | critical bug fix to 1.1 |
| 1.1 binary | (no source) | - | - | 27-28 Feb 2017 | adaptive strategy boss (suffers a critical bug) |
| 1.0 binary | 1.0 source | config | 2163 | 28 Jan 2017-27 Feb 2017 | randomized openings |
| 0.2 binary | 0.2 source | - | - | 17 Dec 2016-28 Jan 2017 | SSCAIT 2016 tournament version |
| 0.1 binary | 0.1 source | - | - | 11 Dec 2016-17 Dec 2016 | |
Jay Scott <jay@satirist.org>
page originally created 16 October 2026