diff --git a/README.md b/README.md
index 443e8cf..208edbe 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 ## ALR Custom Environments
     
 This repository collects custom RL envs not included in Suits like OpenAI gym, rllab, etc. 
-Creating a custom (Mujoco) gym environement can be done according to this guide: https://github.com/openai/gym/blob/master/docs/creating-environments.md
+Creating a custom (Mujoco) gym environement can be done according to [this guide](https://github.com/openai/gym/blob/master/docs/creating-environments.md).
+For stochastic search problems with gym interace use the Rosenbrock reference implementation.
 
 ## Environments
 Currently we have the following environements: 
@@ -10,8 +11,13 @@ Currently we have the following environements:
 
 |Name| Description|
 |---|---|
-|`ALRReacher-v0`|modification (5 links) of Mujoco Gym's Reacher (2 links)|
+|`ALRReacher-v0`|Modified (5 links) Mujoco gym's `Reacher-v2` (2 links)|
 |`ALRReacherSparse-v0`|Same as `ALRReacher-v0`, but the distance penalty is only provided in the last time step.|
+|`ALRReacherSparseBalanced-v0`|Same as `ALRReacherSparse-v0`, but the the end effector has to stay upright.|
+|`ALRReacherShort-v0`|Same as `ALRReacher-v0`, but the episode length is reduced to 50.|
+|`ALRReacherShortSparse-v0`|Combination of `ALRReacherSparse-v0` and `ALRReacherShort-v0`.|
+|`ALRReacher7-v0`|Modified (7 links) Mujoco gym's `Reacher-v2` (2 links)|
+|`ALRReacher7Sparse-v0`|Same as `ALRReacher7-v0`, but the distance penalty is only provided in the last time step.|
     
 ### Classic Control
 
@@ -19,6 +25,12 @@ Currently we have the following environements:
 |---|---|
 |`SimpleReacher-v0`| Simple Reaching Task without any physics simulation. Returns no reward until 150 time steps. This allows the agent to explore the space, but requires precise actions towards the end of the trajectory.|
 
+### Stochastic Search
+|Name| Description|
+|---|---|
+|`Rosenbrock{dim}-v0`| Gym interface for Rosenbrock function. `{dim}` is one of 5, 10, 25, 50 or 100. | 
+
+
 ## INSTALL
 1. Clone the repository 
 ```bash